Halogens

Halogens are the elements of group:

• 1

• 2

• 7

• 8

Fluorine and Chlorine are ____________at room temperature.

• gases

• liquids

• solids

• amorphous

Tags

NGSS.MS-PS1-4

Bromine is _____________ at room temperature.

• gas

• liquid

• solid

• none

Tags

NGSS.MS-PS1-4

The melting and boiling points of halogens:

• decrease down the group

• increase down the group

• remain constant

• none

Tags

NGSS.MS-PS1-2

The atomic number and atomic mass of halogens:

• increase down the group

• decrease down the group

• remains constant

• none

Tags

NGSS.MS-PS1-1

Halogens have _________ electrons in their outermost shell.

• 2

• 7

• 8

• 18

Halogens mean:

• water formers

• salt formers

• acids

• bases

Halogens exist in the:

• monoatomic state

• diatomic state

• triatomic state

• none

Tags

NGSS.MS-PS1-1

______________is commonly used as an antiseptic and is used to make drinking water safe and to treat swimming pools.

• Fluorine

• Chlorine

• Bromine

• Iodine

Tags

NGSS.MS-ESS2-4

The atomic number of chlorine is 17, how many electrons does it contain?

• 8

• 17

• 35

• none

Tags

NGSS.MS-PS1-1