Periodic Table/Atom

A neutron has a charge of

• +2
• No charge
• -1
• +1

What does the 1.00794 stand for?

• Hydrogen
• atomic number
• atomic mass
• atomic explosion

Tags

NGSS.MS-PS1-1

What is the chemical symbol for Lithium?

• H
• He
• Li
• N

Tags

NGSS.HS-PS1-1

Most of the elements on the periodic table are classified as "metal".

• True
• False

Which two subatomic particles are found in the NUCLEUS of at atom?

• protons & nuetrons
• protons & electrons
• neutrons & electrons
• electrons & protons

Tags

NGSS.MS-PS1-1

What gives an atom mass?

• Protons & electrons in the nucleus
• electrons in the cloud
• protons & neutrons in the nucleus
• Protons & electrons in the cloud

If an atom has 24 protons and 24 electrons, what is the atomic number of this element?

• 24
• 48
• 0
• 42

Tags

NGSS.MS-PS1-1

How many protons does this element have?

• 40
• 21
• 20
• 41

Tags

NGSS.MS-PS1-1

Rows on the periodic table are called _____ while columns are called _____.

• groups, families
• groups, periods
• periods, groups
• families, groups

What does the H stand for?

• Hydrogen
• atomic number
• atomic mass
• atomic explosion

Tags

NGSS.MS-PS1-1