Atomic Structure and Properties

Each element is unique and different from other elements because of the number of protons in the nuclei of its atoms. Which one of the following identifies the number of protons in an atom’s nucleus?

• Atomic number

• Valence number

• Atomic mass

• Atomic weight

Which one of the following elements is NOT one of the four most abundant elements found in living organisms?

• Ca

• O

• N

• C

Water molecules is made up of 3 atoms.

___ Hydrogen ___ oxygen

• 1,2
• 2,1
• 2.0

• 3

Tags

NGSS.MS-PS1-1

Water is

• Polar

• Non-polar

• Capillary action

• Specific heat

Water sticking to itself is:

• Adhesion

• Cohesion

• Surface tension

• Non-polar bonding

An BEST example of a water spider skipping across the pond would be:

• Adhesion

• Surface tension

• Specific Heat

• Heat of Vaporization

In order for the leaves to get the nutrients they need from the ground plants must be able to perform in order to survive.

• Cohesion

• Capillary action

• Surface tension

• Scientific method

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

What is the BEST general process scientists use to gather information and answer questions?

• Cohesion

• Analogy

• Theory

• Asking another scientist

Tags

NGSS.MS-PS3-4

Monomer of a carbohydrate is

• Monosaccharides

• Polysaccharide

• Fatty Acid

• Amino Acids

Monomer of a protein

• Monosaccharide

• Polysaccharide

• Fatty Acid

• Amino Acid

Tags

NGSS.HS-LS1-6