Chemistry Matter

The number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table

• atomic mass/weight

• group

• atomic number

• family

a subatomic particle with a positive charge found in the nucleus of an atom

• proton

• electron

• neutron

• molecule

When a solid is created from mixing two liquids

• solution

• precipitate

• gas

• element

Tags

NGSS.MS-PS1-2

The mass of an atom. It is approximately equal to the number of protons and neutrons in the atom.

• scale

• atomic mass

• neutron

• atomic number

Place the phase changes in the correct place on the diagram

a

b

d

e

f

c

sublimation

freezing

melting

deposition

vaporization

condensation

Tags

NGSS.MS-PS1-4

Which region of the graph has the particles with the highest amount of energy?

Tags

NGSS.MS-PS1-4

Identify these as physical properties or chemical properties

Groups:

(a) Physical Properties

,

(b) Chemical Properties

• Color

• Shape

• Malleability

• Bubbles form in acid

• Density

• Forms tarnish

• Boiling point

• Flammability

• Reacts with metals

Match the following diagrams to the state of matter they represent.

• Liquid

• 
• Plasma

• 
• Gas

• 
• Solid

• 

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-4

Which point on the graph is where boiling is occurring?

Tags

NGSS.MS-PS1-4

Which arrow is the freezing point of the substance?

Tags

NGSS.MS-PS1-4