Atomic Structure & Trends

How many valence electrons are in this chlorine atom?

• 17
• 8
• 7
• 10

Tags

NGSS.MS-PS1-1

How many protons are in this chlorine atom?

• 17
• 8
• 7
• 10

Tags

NGSS.MS-PS1-1

How many energy levels does a sodium (Na) have?

• 1
• 2
• 3
• 4

How many valence does an aluminum (Al) have?

• 1
• 2
• 3
• 4

Tags

NGSS.HS-PS1-1

How many protons are in this Bromine atom?

• 35
• 36
• 80
• 45

How many electrons are in this Bromine atom?

• 35
• 36
• 80
• 45

Tags

NGSS.HS-PS1-1

How many neutrons are in this Bromine atom?

• 35
• 36
• 80
• 45

Tags

NGSS.MS-PS1-1

Describe J.J. Thomson's model.

• All matter is made of atoms.
• Discovered the inner structure of the atom.
• Electrons move in fixed orbitals (shells).
• Wave behavior of the electron.

Which subatomic particle can be used to identify an element?

• protons
• neutrons
• electrons
• charge

How many atoms are in the compound, NaF?

• 1
• 2
• 3

Tags

NGSS.MS-PS1-1