Regent's Chemistry

The atomic number gives us

• protons

• electrons

• mass

• neutrons

• nucleus

Match the following

• lives in the nucleus & positively charge

• neutron

• lives in the last ring & negatively charge

• proton

• where protons & neutrons are found and largest mass

• valence electron

• lives in the cloud & negatively charge

• electron

• lives in the nucleus & no charge

• nucleus

Label the correct subatomic particles

a

b

c

neutron

electron

proton

Tags

NGSS.MS-PS1-1

Label the metals, nonmetals and metalloids

a

b

c

d

metalloids

nonmetals

metals

metals

Tags

NGSS.MS-PS1-1

How many periods does the periodic table have AND what do each period tell us about the elements?

Valence electrons live in the ​ (a)   ring of the atomic structure. It tells us how ​ (b)   the elements are. Group 1 are the ​ (c)   whereas group 18 are the ​ (d)  

• outermost

• reactive

• most reactive

• least reactive

• innermost

This change is a

• chemical reaction

• physical change

• musical change

• Ice Ice baby

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Is burning wood a chemical or physical change?

• chemical

• physical

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A white tablet is dropped into water. The water becomes cloudy and bubbles are produced. What type of change has occurred?

• Physical change

• Chemical change

• No change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Has a definite shape, mass, and volume

• solid

• liquid

• gas

• matter

Tags

NGSS.MS-PS1-4