Science quiz
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1. The document contains 15 multiple choice questions about basic chemistry and physics concepts such as elements, atomic structure, acids, gases in air, electrons, and chemical reactions. 2. Questions cover topics like the first element on the periodic table, the center of an atom, whether acids have a pH below 7, the main gas in air, the charge of an electron, and the name for substances initially involved in a reaction. 3. The questions have answers related to common elements like hydrogen, nitrogen, argon, gold, potassium, mercury, and chemical terms such as nucleus, nuclear fission, water, and reactants.
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Question 1 Which category of the periodic table describes the el.docx
Question 1
Which category of the periodic table describes the element K?
Answer
metal
nonmetal
metaloid
Question 2
Which category of the periodic table describes the element hydrogen?
Answer
metal
nonmetal
metaloid
Question 3
37Cl- has protons, neutrons, and electrons.
Question 4
How many electrons are in carbon-12 with a -1 charge?
Answer
Question 5
54Mn2+ has protons, neutrons, and electrons.
Question 6
Silver-107 with a +1 charge would have protons, neutrons, and electrons.
Question 7
33S2- has protons, neutrons, and electrons.
Question 8
A species with an atomic number of 33, an atomic mass of 75, and a total of 36 electrons would be which of the following?
Answer
42As3+
42As3-
75As3-
75As3+
Question 9
How many electrons are in 13C+?
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Question 10
How many protons are there in phosphorus-31?
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Question 11 Which of the following is the correct symbol for the element: gold
Answer
Go
G
Au
Ag
Question 12
Give the name of the element that has the symbol: V
Answer
Question 13
Which of the following is the correct symbol for the element: silver
Answer
Si
S
Sr
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Question 14 Give the name of the element that has the symbol: P
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Question 15
Give the name (not the atomic symbol) of the first element in the fourth period of the periodic table.
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Give the name of the element that has the symbol: Co
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Which of the following is the correct symbol for the element: cesium
Answer
Ce
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Cm
Cs
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Give the name of the element that has the symbol: Tl
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Answer
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Neutron
Electron
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How many total atoms are in the molecule: FeCl3
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Name the following compound: H2SO3
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Name the following compound: ZnO
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Name the following compound: TiO2
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Name the following compound: PbCrO4
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Name the following compound: CdBr2
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Name the following compound: CaSO4
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Name the following compound: CaI2
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Name the following compound: Fe(OH)3
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Which of the following is the correct formula for rubidium hydrogen phosphate?
Answer
RbHPO4
RbHPO3
Rb2HPO4
Rb2HPO3
Rb(HPO4)2
Rb(HPO3)2
Rb3(HPO4)
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Which category of the periodic table describes the element K?
Answer
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metaloid
Question 2
Which category of the periodic table describes the element hydrogen?
Answer
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37Cl- has protons, neutrons, and electrons.
Question 4
How many electrons are in carbon-12 with a -1 charge?
Answer
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54Mn2+ has protons, neutrons, and electrons.
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Silver-107 with a +1 charge would have protons, neutrons, and electrons.
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33S2- has protons, neutrons, and electrons.
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A species with an atomic number of 33, an atomic mass of 75, and a total of 36 electrons would be which of the following?
Answer
42As3+
42As3-
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How many electrons are in 13C+?
Answer
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How many protons are there in phosphorus-31?
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Answer
Go
G
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Give the name of the element that has the symbol: V
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Sr
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Give the name (not the atomic symbol) of the first element in the fourth period of the periodic table.
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Ce
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Give the name of the element that has the symbol: Tl
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Answer
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Which of the subatomic particles has the smallest mass?
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How many total atoms are in the molecule: (NH4)2SO4
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How many total atoms are in the molecule: FeCl3
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Name the following compound: H2SO3
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Name the following compound: ZnO
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Name the following compound: PbCrO4
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Name the following compound: P2O5
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Name the following compound: CdBr2
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Hhhhhhaswaaa
Informal learning contexts like parks, museums, historical monuments, playgrounds, music rooms, planetariums and ANERT centers provide rich learning opportunities outside the classroom. They allow voluntary, self-directed learning through exploration and hands-on activities. Key benefits include developing skills like problem-solving, collaboration and engagement with nature, history and science in a fun, experiential way. Informal learning environments complement formal education and promote lifelong learning.
Economic issues
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Ubaid
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Assignment
The document discusses the role and qualities of an effective social science teacher. It outlines 9 special qualities, including acting as a social moderator, maintaining objectivity, having in-depth subject knowledge, applying field study theory, and being a well-informed, widely traveled, and skilled communicator. An essential social science teacher also interprets various experiences and helps transmit intellectual traditions between generations while keeping cultural values alive. Overall, the teacher plays a pivotal role in teaching attitudes, values, and appreciation through the social science discipline.
Science education for students (1)
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Presentation1 paru
Nuclear powerstations are facilities that use nuclear fission to generate electricity through steam turbines. The document appears to be a school report about nuclear powerstations written by a student named Parvathy Rajan R with a registration number of 18214340014 for a Physical Science class. The report likely provides details about how nuclear powerstations operate and generate electricity through nuclear fission.
Quiz
The document is a science quiz containing 10 multiple choice questions testing knowledge about topics in physics and chemistry including the definition of ozone, the first nuclear reactor built in India, the planet with the longest orbital period, the time it takes light from the sun to reach Earth, the unit used to measure x-ray intensity, the scale used to measure mineral hardness, the hardest known substance, the densest metal, the device used to measure atomic radiation, and the branch of science dealing with very low temperatures. The response provides the answer to each question.
Majic tricks
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Project
(1) The document discusses ways to strengthen the relationship between schools and their surrounding communities. It proposes having schools serve as community centers by hosting celebrations, adult education programs, and opening their libraries for public use. (2) Bringing community members into schools through guest speakers, parent-teacher associations, and career conferences allows students to learn from others' experiences. (3) Strong school-community relationships where both support each other's activities can improve students' learning outcomes and prepare them to be active community members.
Abdul kalam
The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive function. Exercise causes chemical changes in the brain that may help protect against mental illness and improve symptoms for those who already suffer from conditions like anxiety and depression.
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