Set 2D (Earth Science)

The smallest piece of matter is called an __ (that is still fully considered that particular element).

Match the subatomic particle to the characteristic (s)

Groups:

(a) proton

,

(b) neutron

,

(c) electon

• very small mass

• used to determine the atomic number

• • + charge

• -- charge

• the same (usually) as the number of protons

• neutral charge

Identify the parts of the atom shown in the image.

a

b

c

d

procreus

Nucleus

Neutron

Electron

Proton

Tags

NGSS.MS-PS1-1

What particles make up the nucleus?

• proton

• neutron

• electron

• 

Tags

NGSS.HS-PS1-8

​ (a)   are only slightly ​ (b)   massive than protons and together they make up most of the ​ (c)   of the atom.

• Neutrons
• Electons
• more
• less
• mass

Tags

NGSS.MS-PS1-1

A ​ (a)   ion is when there are ​ (b)   electrons than normal

• negative
• positive
• fewer
• more

1. A negative ion is when there are more electrons than normal.

• true

• false

• 

1. PURE SUBSTANCES include 

• 1. elements (such as hydrogen = H)

• compounds (such as water = H2O)

• mixtures (such as soil)

• mixtures (such as gasoline)

Tags

NGSS.MS-PS1-4

1. Elements are identified by the number of __ in the nuclei. 

1. Categorize properly:

Groups:

(a) Physical changes

,

(b) Chemical Changes

• same substance

• 
• 
• 
• 
• 
• different substance

• 
• 

Tags

NGSS.MS-PS1-2