Counting Atoms and Periodic Table

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

• 14
• 7
• 15
• 18

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

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

What element is this?

• Helium
• Hydrogen
• Argon
• Silver

Tags

NGSS.MS-PS1-1

What element is this model showing?

• Lithium
• Boron
• Carbon
• Neon

Tags

NGSS.MS-PS1-1

What does an atom's period tell us?

• Number of protons
• Number of electrons
• Number of valence electrons
• Number of shells

What does an atom's group tell us?

• Number of protons
• Number of electrons
• Number of valence electrons
• Number of shells

What is the element symbol for boron? 

• B
• Bo
• Bn
• W

Which of the following element in period 3 would be classified as a metal?

• Boron (B)

• Sodium (Na)

• Argon (Ar)

• Silicon (Si)

Tags

NGSS.MS-PS1-1