All about ATOMS!
Molecules
Parts of an Atom
100
What is the smallest particle of matter that can exist alone or in combination?
An atom.
100
A group of two or more atoms bonded together would form a(n):
Molecule.
100
Where are the protons located in an atom?
Nucleus
200
What is the smallest unit that everything in the world is made up of?
Atoms
200
A molecule is made up of one or more atoms connected by __________.
Bonds
200
What charge does a proton have?
Positive charge (+)
300
True or false: Everything is made of atoms.
True!
300
The following molecule is made from:
Two atoms of chlorine chemically bonded together.
300
What charge does a neutron have?
No charge.
400
True or False? The reactivity of an atom is dependent upon the number of neutrons in the outermost shell.
False, the reactivity of an atom is dependent upon the number of electrons in the outermost shell.
400
How is an element different from a compound?
An element consists of one type of atom while a compound consists of two or more different types of atoms bonded together.
400
What type of charge does an electron carry?
Negative charge (-)
500
Which particle(s) can be found in the nucleus of an atom?
Protons and neutrons.
500
Why do you think that properties of molecules are different than the properties of the individual atoms that make them?
The properties of molecules are different from individual atoms because chemical bonding changes how electrons are arranged
500
Where are the electrons located in an atom?
In the outer shells