10 Chemistry Pre-Test

An atom becomes _________ when it gains electrons.

• Positive

• Negative

• Neutral

• Invinsible

Tags

NGSS.MS-PS1-1

An atom becomes _______ when it loses electrons.

• Positive

• Negative

• Neutral

• Invinsible

Nitrogen, N, will form which of the following ions?

• N

• N^-3

• N^-5

• N⁺⁵

Tags

NGSS.MS-PS1-1

This image shows the bonding between Lithium and Fluorine. What does the red arrow show?

• electrons being shared

• electrons being transferred to Fluorine

• electrons being transferred to Lithium

• electrons being destroyed

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which element is this?

• Nickel

• Neon

• Sodium

• Nitrogen

Tags

NGSS.MS-PS1-1

What does the nucleus of an atom contain?

• Electrons and neutrons

• Protons and neutrons

• Neutrinos and positrons

• DNA and RN

Tags

NGSS.MS-PS1-1

What is the picture displayed?

• atom

• element

• molecule

• compound

Tags

NGSS.MS-PS1-1

Which of the following best describes the structure of a water molecule?

• 2 oxygen atoms mixed with 1 hydrogen atom

• 2 hydrogen atoms mixed with 1 oxygen molecule

• 2 hydrogen atoms bonded with 1nitrogen atom

• 2 hydrogen atoms bonded to 1 oxygen atom

Tags

NGSS.MS-PS1-1

^{The photo above shows the isotopic notation for which isotope?}

• Carbon 12

• Carbon 13

• Carbon 14

• Carbon 15

What is the name of the pictured isotope?

• Copper-29

• Copper-63

• Copper-34

• CopperWopperHopperBopper