What is at the center of every atom?
  • An electron
  • A compound
  • A molecule
  • A nucleus
Which two particles make up the nucleus of an atom?
  • Protons and Electrons
  • Protons and Neutrons
  • Molecules and Compounds
  • Neutrons and Electrons
In an atom, what is the number of protons equal to?
  • The number of electrons.
  • The number of neutrons.
  • The number of molecules.
  • The number of nuclei.
The positively charged particles of an atom are the ________.
  • electrons
  • protons
  • neutrons
  • protons & neutrons
The negatively charged particles of an atom are the ______.
  • electrons
  • protons
  • neutrons
  • protons & neutrons
What is this called?
  • Bohr's Model
  • Electron Table
  • Breakfast Table
  • Periodic Table
An electron has this charge
  • positive
  • negative
  • neutral
A neutron has this charge
  • negative
  • positive
  • neutral
A proton has this charge
  • negative
  • positive
  • neutral
A particle that moves around the nucleus is a(n)...
  • Proton
  • Neutron
  • Electron
  • Quark
The center of an atom that holds protons and neutrons?
  • model
  • electron
  • nucleus
  • neutron
A particle in the nucleus of a atom with no electrical charge
  • neutron
  • nucleus
  • electron
  • proton
How many neutrons does Na have?
  • 11
  • 23
  • 22
  • 12
Rows on the period table are called _____ while columns are called _____.
  • groups, families
  • groups, periods
  • periods, groups
  • families, groups
What does the H stand for?
  • Hydrogen
  • atomic number
  • atomic mass
  • atomic explosion
What does the 1.00794 stand for?
  • Hydrogen
  • atomic number
  • atomic mass
  • atomic explosion
What does the 1 stand for?
  • Hydrogen
  • atomic number
  • atomic mass
  • atomic explosion
What is the atomic mass of Neon?
  • 10
  • 20.18
  • 10.18
  • 22.18
How many neutrons are in a Gold atom?
  • 79
  • 196
  • 118
  • 275
What is the atomic mass of Gold?
  • 79
  • 196.9665
  • 117
  • 275
How many electrons does an Iodine atom have?
  • 53
  • 126
  • 73
  • 179
What is this number representing?
  • Number of protons
  • Number of Protons and Electrons
  • Number of Protons and Neutrons
  • Number of Electrons, Protons and Neutrons
What is the number highlighted?
  • Atomic number
  • Atomic mass
  • Number of protons
  • Number of electons
How many neutrons does an Oxygen atom have?
  • 8
  • 16
  • 24
  • 7.999
How many electrons does a Hydrogen atom have?
  • 1
  • 2
  • 3
  • 0
What number is circled?
  • Number of Neutrons
  • Number of Protons
  • Atomic Mass
  • Number of Electrons
How many electrons does an atom of Krypton have?
  • 36
  • 83.80
  • 47.80
  • 119.80
What is the atomic mass of Iron?
  • 26
  • 55.845
  • 56
  • 30
How many electrons are in a gold atom?
  • 79
  • 196
  • 117
  • 275
What is the atomic mass of Helium
  • 4
  • 2
  • 6
  • 1
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