What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

Tags

NGSS.MS-PS1-1

The first energy level can hold up to how many electrons?

• 8
• 4
• 2
• 5

Tags

NGSS.MS-PS1-1

The particles that are found in the nucleus of an atom are

• neutrons and electrons
• electrons only
• protons and neutrons
• protons and electrons

Tags

NGSS.MS-PS1-1

Beryllium has how many protons?

• 4
• 9.0122
• 2
• 13.0122

Tags

NGSS.MS-PS1-1

Which subatomic particle has a negative charge?

• Proton
• Neutron
• Electron
• Quark

A horizontal row in the periodic table is called....

• Group
• Family
• Column
• Period

What's a valence electron?

• electrons in the second energy level
• electrons in the outermost energy level
• the atomic number
• electrons in the first level

Tags

NGSS.MS-PS1-1

What element is this model showing?

• Lithium
• Boron
• Carbon
• Neon

Tags

NGSS.MS-PS1-1

What period is this element in?

• 1

• 18

• 10

• 2

Tags

NGSS.MS-PS1-1

What group is this element in?

• 10

• 2

• 18

• 8

Tags

NGSS.MS-PS1-1