Science STAAR Category 1

Iron is a good conductor, malleable and magnetic. What type of element is Iron? 

• Metal

• Nonmetal

• Metalloid

• Pretty

All of these properties describe metals except...

• malleable

• conductors

• brittle 

• shiny

Which subatomic particle has a negative charge?

• proton

• neutron

• electron

• cybertron

The region around the nucleus where the electrons may be found.

• Electron Cloud

• Reactivity

• Neutron

• Atom

What is the mass of a proton and a neutron?

• 1amu

• 2grams

• 13amu

• 10cm

Describe an Electron Cloud?

• the mist outside of an atom

• home of the protons

• where electrons are located

• nucleus

The mass of one proton is equal to the mass of one...

• neutron

• electron

The mass of one proton is greater than the mass of one...

• neutron

• electron

What subatomic particle has no effect on the mass of the atom? 

• proton

• neutron

• electron

How many valence electrons are found in atoms of group 14?

• 4

• 3

• 14

• 16