Trends in the periodic Table

State the atom

a) in group II ...................................

b) with proton number 13 .......................

c)forms an ion with single negative charge .......................

d) can form a stable ion by either losing or gaining electrons ..............................................

e) forms a stable charge of -1 ..................................

F) forms a charge of +1

Tags

NGSS.MS-PS1-1

Determine the values of J, K , L, M

Tags

NGSS.MS-PS1-1

The test for Calcium ions is using usually flame test. what is the color of the flame?

• A

• B

• C

• D

Tags

NGSS.MS-PS1-1

• A

• B

• C

• D

• A

• B

• C

• D

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A compound with a formula XF2 has a relative atomic mass of 70. Which is element is X

• Gallium

• Germanium

• potassium

• sulfur

Tags

NGSS.MS-PS1-1

which one of the following is not a property of non-metals?

• cannot be hammered into thin sheets.(malleability)

• are not ductile

• are poor conductors of heat and electricity

• are not lustrous which means they are not shiny

• they are sonorous.

Which raw describes magnesium?

• A

• B

• C

• D

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which one of the following forms a grey green precipitate that dissolves in excess of sodium hydroxide to form a deep green solution?

• Chromium (iii)

• Iron (ii)

• Iron (III)

• Copper (II)

Tags

NGSS.MS-PS1-2