Atomic Structure & Properties Quiz

An atom of bromine has 35 electrons. These electrons are present in energy shells around the nucleus. Which choice lists the number of electrons that appear in the energy shells of a bromine atom, starting with the number of electrons in the energy shell closest to the nucleus?

• 2, 8, 18, 1

• 2, 8, 18, 7

• 2, 8, 18, 35

• 2, 8, 8, 17

Tags

NGSS.MS-PS1-1

Atom X shows metallic properties. Identify another element that is likely to show similar metallic properties. Justify your answer.

• Sodium, because it has a similar electron configuration and is also a metal.

• Oxygen, because it is a non-metal.

• Chlorine, because it is a halogen.

• Neon, because it is a noble gas.

Label the atom

a

b

c

neutral

positive

negative

Tags

NGSS.MS-PS1-1

How many neutrons are there in the most common isotope of Boron? ​ (a)  

• 6
• 5
• 1
• 11

Tags

NGSS.MS-PS1-1

Zirconium has how many Protons?

Mathematical Equivalence

ON

Tags

NGSS.HS-PS1-1

Label the following items using the image provided.

a

b

c

d

Proton

Valence electron

Electron

Neutron

Tags

NGSS.MS-PS1-1

The number of energy shells in a lithium atom are ​ (a)  

• 2
• 6
• 9
• 3
• 5

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NGSS.MS-PS1-1

How many electrons are there in Boron? ​ (a)  

• 6
• 5
• 1
• 11

Tags

NGSS.MS-PS1-1

How many protons are in an atom of iron?

Mathematical Equivalence

ON

Tags

NGSS.MS-PS1-1

Protons and Electrons = ​ (a)  

Neutrons = ​ ​ (b)  

• 86
• 136

Tags

NGSS.MS-PS1-1