Reviewing Atoms and the 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

What element is this model showing?

• Lithium

• Boron

• Carbon

• Neon

Tags

NGSS.MS-PS1-1

What do we call the horizontal rows on the periodic table?

• Periods

• Groups

Answer explanation

The horizontal rows on the periodic table are called periods. Each period represents a different energy level of electrons in the atoms of the elements in that row.

What do we call the vertical columns on the periodic table?

• Periods

• Groups

Answer explanation

The horizontal rows on the periodic table are called periods. Each period represents a different energy level of electrons in the atoms of the elements in that row.

Match the correct parts of the periods table

• Red (middle)

• Periods

• Blue (left)

• Nonmetals

• Yellow (Right)

• Metalloids

• Columns 1-18

• Groups

• Rows 1-7

• Metals

What do we call the vertical columns on the periodic table?

• Periods

• Groups

Label the parts of the periodic table​

a

b

c

Metalloids

Nonmetals

Metals

What do we call the horizontal rows on the periodic table?

• Periods

• Groups

Answer explanation

The horizontal rows on the periodic table are called periods. Each period represents a different energy level of electrons in the atoms of the elements in that row.