Chemistry Application - 1111K

What is the atomic number of this atom?

Tags

NGSS.HS-PS1-1

Cl has how many valence electrons?

Tags

NGSS.HS-PS1-1

A fictional atom has three protons. It would have _ electron shells.

A fictional atom has a mass number of 21 and an atomic number of 17. It has _ neutrons.

A fictional atom has a mass number of 21 and an atomic number of 17. It has _ protons.

A fictional atom has 3 dots in its Lewis Dot structure. The atom has _ valence electrons.

• 3

• 6

• 9

• cannot be determined

Tags

NGSS.HS-PS1-1

The valence number is _.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

T/F The equation shown is balanced.

Tags

NGSS.HS-PS1-7

T/F The equation shown is balanced.

Tags

NGSS.HS-PS1-7

There are _ hydrogens in the compound below.

3H₃PO₄