QUIZ #10-ELECTRONS IN BOHR ENERGY MIXED

Atomic number represents which subatomic particle?

• electrons

• protons

• neutrons

All of the elements in a period have the same number of _____.

• energy levels

• valence electrons

• protons

• electrons

A charged particle that has gained or lost electrons is called a _____.

• molecule
• ion
• isotope
• element

A cation is a ____ ion.

• negative
• positive
• neutral
• ficticious

What is the charge of the electron

• positive
• no charge
• negative
• neutral

What groups are the most reactive non metals?

• 1 and 2

• 16 and 17

• 2 and 17

• 1 and 16

What groups are the most reactive metals?

• 2 and 3

• 1 and 18

• 1 and 2

• 16 and 17

How many valence electrons are found in atoms of group 15?

• 4
• 5
• 2
• 3

Which group has the greatest number of valence electrons?

• 1
• 14
• 18
• 16

USE THE PERIODIC TABLE

How many valence electrons does carbon have?

• 4

• 12

• 6

• 14