Unit 2 Test Review

What is the atomic number?

• 14

• 27

• 26.98

• 13

Which of the following is identified as the subatomic particle with a (+1) charge?

• Atom

• Proton

• Neutron

• Electron

Which of the following is identified as the subatomic particle with no charge?

• Atom

• Proton

• Neutron

• Electron

Which of the following is identified as the subatomic particle with a (-1) charge?

• Atom

• Proton

• Neutron

• Electron

Which of the following subatomic particles would determine the atomic number of an element?

• Atom

• Proton

• Neutron

• Electron

Check all that apply. Which of the following subatomic particle(s) would determine the atomic mass of an atom?

• Atom

• Proton

• Neutron

• Electron

1. Which particle occupies the space outside the nucleus, in a “cloud?”

• proton

• neutron

• electron

• neutrino

How many neutrons will an atom have if it has an atomic number of 26, an atomic mass of 58 and a charge of +3?

• 26

• 32

• 58

• 3

In the isotope name, Hydrogen-3, what does the 3 represent?

• charge

• mass

• atomic number

• number of electrons

How many neutrons are in the atom "K"?

• 7
• 2
• 39
• 12