This document provides an overview of the periodic table and periodic trends. It discusses how the periodic table is arranged and organized into periods and groups. Elements within the same group have similar properties because they have the same number of valence electrons. The location of an element on the periodic table can be used to predict its properties. The document also describes different types of elements, including metals, nonmetals, metalloids, and noble gases, and explains the trends in atomic structure that led to the development of the periodic table.
This PowerPoint shows all lessons in grade-8 science. This lesson covers on topics about scientist who made great contribution in the development of the periodic table, groups and periods of the elements, and periodic trends.
This PowerPoint shows all lessons in grade-8 science. This lesson covers on topics about scientist who made great contribution in the development of the periodic table, groups and periods of the elements, and periodic trends.
Richard's aventures in two entangled wonderlandsRichard Gill
Since the loophole-free Bell experiments of 2020 and the Nobel prizes in physics of 2022, critics of Bell's work have retreated to the fortress of super-determinism. Now, super-determinism is a derogatory word - it just means "determinism". Palmer, Hance and Hossenfelder argue that quantum mechanics and determinism are not incompatible, using a sophisticated mathematical construction based on a subtle thinning of allowed states and measurements in quantum mechanics, such that what is left appears to make Bell's argument fail, without altering the empirical predictions of quantum mechanics. I think however that it is a smoke screen, and the slogan "lost in math" comes to my mind. I will discuss some other recent disproofs of Bell's theorem using the language of causality based on causal graphs. Causal thinking is also central to law and justice. I will mention surprising connections to my work on serial killer nurse cases, in particular the Dutch case of Lucia de Berk and the current UK case of Lucy Letby.
Richard's aventures in two entangled wonderlandsRichard Gill
Since the loophole-free Bell experiments of 2020 and the Nobel prizes in physics of 2022, critics of Bell's work have retreated to the fortress of super-determinism. Now, super-determinism is a derogatory word - it just means "determinism". Palmer, Hance and Hossenfelder argue that quantum mechanics and determinism are not incompatible, using a sophisticated mathematical construction based on a subtle thinning of allowed states and measurements in quantum mechanics, such that what is left appears to make Bell's argument fail, without altering the empirical predictions of quantum mechanics. I think however that it is a smoke screen, and the slogan "lost in math" comes to my mind. I will discuss some other recent disproofs of Bell's theorem using the language of causality based on causal graphs. Causal thinking is also central to law and justice. I will mention surprising connections to my work on serial killer nurse cases, in particular the Dutch case of Lucia de Berk and the current UK case of Lucy Letby.
Richard's entangled aventures in wonderlandRichard Gill
Since the loophole-free Bell experiments of 2020 and the Nobel prizes in physics of 2022, critics of Bell's work have retreated to the fortress of super-determinism. Now, super-determinism is a derogatory word - it just means "determinism". Palmer, Hance and Hossenfelder argue that quantum mechanics and determinism are not incompatible, using a sophisticated mathematical construction based on a subtle thinning of allowed states and measurements in quantum mechanics, such that what is left appears to make Bell's argument fail, without altering the empirical predictions of quantum mechanics. I think however that it is a smoke screen, and the slogan "lost in math" comes to my mind. I will discuss some other recent disproofs of Bell's theorem using the language of causality based on causal graphs. Causal thinking is also central to law and justice. I will mention surprising connections to my work on serial killer nurse cases, in particular the Dutch case of Lucia de Berk and the current UK case of Lucy Letby.
(May 29th, 2024) Advancements in Intravital Microscopy- Insights for Preclini...Scintica Instrumentation
Intravital microscopy (IVM) is a powerful tool utilized to study cellular behavior over time and space in vivo. Much of our understanding of cell biology has been accomplished using various in vitro and ex vivo methods; however, these studies do not necessarily reflect the natural dynamics of biological processes. Unlike traditional cell culture or fixed tissue imaging, IVM allows for the ultra-fast high-resolution imaging of cellular processes over time and space and were studied in its natural environment. Real-time visualization of biological processes in the context of an intact organism helps maintain physiological relevance and provide insights into the progression of disease, response to treatments or developmental processes.
In this webinar we give an overview of advanced applications of the IVM system in preclinical research. IVIM technology is a provider of all-in-one intravital microscopy systems and solutions optimized for in vivo imaging of live animal models at sub-micron resolution. The system’s unique features and user-friendly software enables researchers to probe fast dynamic biological processes such as immune cell tracking, cell-cell interaction as well as vascularization and tumor metastasis with exceptional detail. This webinar will also give an overview of IVM being utilized in drug development, offering a view into the intricate interaction between drugs/nanoparticles and tissues in vivo and allows for the evaluation of therapeutic intervention in a variety of tissues and organs. This interdisciplinary collaboration continues to drive the advancements of novel therapeutic strategies.
Professional air quality monitoring systems provide immediate, on-site data for analysis, compliance, and decision-making.
Monitor common gases, weather parameters, particulates.
Multi-source connectivity as the driver of solar wind variability in the heli...Sérgio Sacani
The ambient solar wind that flls the heliosphere originates from multiple
sources in the solar corona and is highly structured. It is often described
as high-speed, relatively homogeneous, plasma streams from coronal
holes and slow-speed, highly variable, streams whose source regions are
under debate. A key goal of ESA/NASA’s Solar Orbiter mission is to identify
solar wind sources and understand what drives the complexity seen in the
heliosphere. By combining magnetic feld modelling and spectroscopic
techniques with high-resolution observations and measurements, we show
that the solar wind variability detected in situ by Solar Orbiter in March
2022 is driven by spatio-temporal changes in the magnetic connectivity to
multiple sources in the solar atmosphere. The magnetic feld footpoints
connected to the spacecraft moved from the boundaries of a coronal hole
to one active region (12961) and then across to another region (12957). This
is refected in the in situ measurements, which show the transition from fast
to highly Alfvénic then to slow solar wind that is disrupted by the arrival of
a coronal mass ejection. Our results describe solar wind variability at 0.5 au
but are applicable to near-Earth observatories.
This pdf is about the Schizophrenia.
For more details visit on YouTube; @SELF-EXPLANATORY;
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2. SPS1. Obtain, evaluate, and communicate
information from the Periodic Table to explain
the relative properties of elements based on
patterns of atomic structure.
b.Analyze and interpret data to determine
trends of the following:
Number of valence electrons
Types of ions formed by main group elements
Location and properties of metals, nonmetals,
and metalloids
Phases at room temperature
c. Use the Periodic Table as a model to predict
the above properties of main group elements.
3. How is the periodic table
arranged?
What do elements on the same
row have in common? What do
elements in the same column
have in common?
4. How does its location on the
periodic table help you to
predict the peoperties of an
element?
5. You should know the how the
periodic table is arranged
You should know what elements
on the same rows and columns
have in common
You should know the trends of
the periodic table including
reactivity and atomic
radius change
6. Origin of the Periodic Table
Mendeleev proposed the first arrangement
of the periodic table.
Arranged by atomic mass
Found that as he arranged the elements,
similar properties repeated themselves.
8. Origin of the Periodic Table
There were “gaps” in his table, which led
other scientists to discover new elements.
Moseley devised the current periodic table
which is based on ATOMIC NUMBER
9. The Periodic Table
Periodic means “repeating” pattern.
The periodic table groups similar elements
together (think about sections in the
grocery store).
Grouping makes it easier to predict the
properties of an element.
10. Periodic Law
States that the repeating chemical and
physical properties of elements change
periodically with the atomic numbers of the
elements.
11. Periods
Periods: horizontal rows of elements (7)
Just as the number of protons changes as
you move from left to right across the
periodic table, so does the number of
electrons.
Remember that sentences are written in rows
and end with a period.
12.
13. Groups
Groups: Vertical column of elements on
the periodic table (18)
Remember that group is spelled group and
groups go up and down.
Elements in the same group have the
same number of valence electrons.
14. Groups
Remember, valence electrons determine
an element’s properties so all elements in
the same group have similar properties.
What makes them different then???
15.
16. Oxidation Number
Tells how many electrons can be gained or
lost when an element reacts with other
elements.
A positive oxidation number means it will
LOSE electrons (Ex. Sodium= +1)
A negative oxidation number means it will
GAIN electrons (Ex. Oxygen= -2)
18. Families of Elements
Think of each element as a member of a
family that is related to other elements
nearby.
Elements are classified as metals,
nonmetals or metalloids
Groups are sometimes referred to as
families
19.
20.
21. Metals
Physical Properties: Shiny (luster), good
conductors, high density, ductile (can be
made into thin wires), malleable (can be
hammered into thin sheets) and most are
silver
Chemical Properties: Corrosion (wearing
away because of a chemical reaction with
water), reactivity (bond with other atoms)
24. Types of Metals
1. Alkali Metals: very reactive
2. Alkaline-Earth Metals: form compounds
that are found in our bodies (calcium and
magnesium compounds)
3. Transition Metals: the properties
gradually change from being more similar
to Group 2 to being more like Group 13
(Gold, Silver and Platinum)
25. Nonmetals
Physical Properties: No luster, not
conductors, brittle, not ductile, low density,
and many are gaseous (can be solids or
liquids too though)
Chemical Properties: Highly reactive
All, except for hydrogen, are on the right
hand side of the periodic table.
26.
27. Types of Nonmetals
1. Halogens: Group 17 (Ex. Chlorine).
Combine with most metals to form salts.
2. Noble Gases: Inert (unreactive) and do
not form with other atoms to make
compounds
29. Lanthanides and Actinides
Rare earth elements
Most of the actinides have been
synthesized by nuclear scientists (except
for uranium and thorium)
30.
31.
32. Periodic Trends Labeling Directions
1. Label the number of valence electrons at
the at the top of each group.
2. Label the oxidation number at the bottom
of each group.
33. 3. Label the following groups:
• Alkali Metals
• Alkaline Earth Metals
• Transition Metals
• Boron Group
• Carbon Group
• Nitrogen Group
• Oxygen Group
• Halogens (only group with all 3 states of matter!)
• Noble Gases
• Lanthanides
• Actinides
34. Valence Electrons are:
The electrons in the outermost shell
Responsible for atomic bonding
Equal to the last digit of the group number
How many valence electrons in this atom? What
group would it be in?
Valence electrons