1) Atoms are composed of protons, neutrons, and electrons. Protons and neutrons are clustered in the nucleus, while electrons surround the nucleus and give the atom its shape. 2) Atoms are neutral when they have an equal number of protons and electrons. Ions are formed when there is an imbalance of protons and electrons. 3) Atoms of the same element all contain the same number of protons. For example, all carbon atoms have 6 protons. Atoms can fuse or split to form heavier or lighter atoms through nuclear reactions.

1. Daniela Vergara, Juan Sebastián,
Manuela Rojas

2.  That
atoms can be divide from the nucleus,
it have 6 positive protons, it divide on 2 so
one nucleus have three and the other tree,
but then they make another three to make a
very good nucleus for the atom

3. All atoms are made from three subatomic particles

� Protons, neutron and electrons.
The Protons and neutrons are held together closely in the center of
the atom. Together they make the nucleus which have all of the
mass of the atom.
Electrons: is around the nucleus constitute almost the entire volume
of the atom, he distribution of electrons about an atom is such
that the atom has a spherical shape.

4. 
Atoms have no charge, they are neutral. the number of protons
and electrons are the same. If this condition is violated the atom
has a net charge and is called an ion.

all carbon atoms contain six protons, all gold atoms contain 79
protons, all lead atoms contain 82 protons.

5.  Atoms that have a lower molecular number can combine to form
an atom of a higher molecular number, this happen when
hydrogen is fused into helium. an atom with a high molecular
number, looses neutrons and protons to become an atom with a
lower molecular number.

6. 
hen a living organism grows, it takes atoms from other places:
the air, the soil, or other matter which it ingests. The individual
atoms are not created from components in the organisms; the
only change is that they can accept, give off, or share electrons
from their outer shells (that is, change the energy level of these
electrons) in order to deal with its energy needs or to rearrange
the atoms.