Concept 1 Review

Atomic number equals the number of __________ in a neutral atom.

• neutrons

• neutrons and protons

• protons and electrons

• electrons and neutrons

In an atom that is not neutral the atomic number only equals the number of ________

• protons

• neutrons

• electrons

• not enough information

The atomic weight is the number of _______ and _______ in an atom.

• protons and electrond

• electrons and protons

• neutrons and protons

• neutrons and electrons

What are the charges for a proton, neutron, and electron?

• neutral, positive, negative

• negative, neutral, positive

• positive, neutral, negative

• positive, negative, neutral

What is the atomic number of this atom?

• 2
• 4
• 6
• none of the above

What is the mass number of this atom?

• 1
• 3
• 4
• 7

Name this element.

• Neon

• Magnesium

• Sodium

• Manganese

What is the maximum number of electrons that can be found in the third energy level ( shell)?

• 2

• 8

• 18

Which electrons have the most energy?

• ground state electrons

• electrons

• valence electrons

• neutral electrons

How many protons does Carbon have?

• 6

• 12

• 4

• 1