Matter and The Periodic Table

Which element has an atomic number of 6?

• Carbon
• Nitrogen
• Xenon
• Sodium

Tags

NGSS.MS-PS1-1

Which of the following elements is a Noble Gas with a complete outer energy level?

• Lithium (Li)

• Argon (Ar)

• Boron (B)

• Bromine (Br)

Fluorine has an atomic number of 9. How many protons does it have?

• 4
• 9
• 12
• 0

Tags

NGSS.MS-PS1-1

Carbon has 6 protons. Carbon has an atomic mass of 12. How many neutrons does Carbon have?

• 12
• 0
• 2
• 6

Tags

NGSS.MS-PS1-1

Calcium has an atomic mass of 40 amu. Calcium has 20 protons. How many neutrons does Calcium have?

• 40
• 20
• 0
• 15

Tags

NGSS.MS-PS1-1

These determine the reactivity of an element...

• Valence electrons
• Valence Protons
• Valence Neutrons
• Valence Quark

What is one difference between aluminum (Group 13) and magnesium's (Group 2) structure?

• Aluminum has more protons and fewer neutrons than magnesium.

• Magnesium has one more proton than aluminum.

• Magnesium's atomic mass is larger than aluminum's atomic mass.

• Magnesium has one less proton than aluminum.

Tags

NGSS.MS-PS1-1

The blue elements are called

• metals

• nonmetals

• metalloids

• noble gases

Tags

NGSS.MS-PS1-1

How many Valance electrons does Iodine Have?

• 6
• 16
• 7
• 17

Tags

NGSS.MS-PS1-1

Atoms with similar properties are most likely located...

• in the same period.
• in the same group.
• in different periods.
• to the right and left of each other.