WorksheetsElements and the Period Table
Total questions: 19
Worksheet time: 12mins
What is the number of protons equal to?
The atomic number
mass number
atomic mass
isotope
The average mass of all the isotopes of an element is defined as what?
atomic number
atomic mass
proton number
mass number
What is an ion?
an atom with a positive or negative charge
an isotope
an atom with a different number of neutrons than others
change in number of protons on an atom
When an atom gains or loses an electron it becomes an _____.
isotope
oxygen
ion
neutron
Which of the following is a noble gas?
oxygen
iron
hydrogen
neon
Which element is an alkali metal?
lithium
cobalt
mercury
calcium
Which element is an alkaline earth metal?
lithium
vanadium
carbon
calcium
Which element is a halogen?
helium
hydrogen
flourine
oxygen
What is the ability to make sheets out of metal?
ductility
conductivity
malleablility
solubility
What is the ability to make metal into wires?
ductility
conductivity
malleablility
solubility
Which element would probably be a good conductor of electricity?
bromine
helium
gold
sulfur
What element has 20 protons?
neon
calcium
sodium
cadmium
