Atoms
Elements
Test
Periodic Table
Vocabulary
100
Atoms are composed of these 3 subatomic particles?
What is protons, neutrons, and electrons?
100
Substance made up of only one kind of atom.
What is an element?
100
electrons the first energy level hold
2
100
The chemical symbol for Sodium
What is Na?
100
anything that has mass and takes up space
What is a matter?
200
Particle with a neutral charge in an atom.
What is a neutron?
200
H is the chemical symbol for this element.
What is hydrogen?
200
What charge does a neutron hold
Negative
200
The chemical symbol for water.
What is H2O?
200
The 3 states of matter.
What is solid, liquid, gas?
300
Center of the atom that makes up most of the atom's mass.
What is the nucleus?
300
Chart used by scientist to list all the elements.
What is the periodic table?
300
electrons the 2nd energy level hold
8
300
The Atomic Mass for Sodium
What is23?
300
negatively charged particle of the electron cloud
What is an electron?
400
Particles located in the nucleus of an atom.
What is protons and neutrons?
400
The number of hyrogen atoms in a molecule of H2.
What is two?
400
Electrons are found in?
electron cloud
400
The Way the atomic Mass is calculated .
By adding the Protons and Neutrons
400
a subatomic particle of the nucleus of an atom that is without charge
What is a neutron?
500
The number of protons a hydrogen atom has.
What is 1 proton?
500
The element with atomic number 6.
What is carbon?
500
The number of carbon atoms in carbon dioxide.
What is one?
500
If the Atomic number is not provided, the way to figure it out is by.
Counting the number of Protons and electrons?
500
Particles that are smaller than an atom
What is a subatomic particle?
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