Elements and Bohr Models

A __________ is a subatomic particle with a positive charge.

• proton

• neutron

• electron

• nucleus

This is the location of electrons in an atom.

• nucleus

• protons

• orbitals

• neutrons

How many valence (outer) electrons does an Oxygen atom have?

• 2

• 6

• 8

• 16

Tags

NGSS.MS-PS1-1

A __________ is a subatomic particle with a negative charge.

• proton

• neutron

• electron

• nucleus

What is the average atomic mass of Magnesium?

• 12.011

• 14.007

• 22.990

• 24.305

In the molecule 4CO₂, the number "4" is a...

• subscript

• coefficient

What is the atomic number of this element?

• 17

• 18

• 35

• 35.453

Tags

NGSS.MS-PS1-1

How many electrons can fit on the 1st energy level (orbital) for any Bohr Model?

• 2

• 6

• 8

• 10

What is the mass number of this atom of Chlorine?

• 17

• 18

• 35

• 35.453

Tags

NGSS.MS-PS1-1

In the molecule C₆H₁₂O₆, how many hydrogen atoms are there?

• 1

• 6

• 12

• 24

Tags

NGSS.MS-PS1-1