- Negatively charged particle surrounding the center of an atom
Your answer:
neutron
electron
quark
proton
- Mass per unit of volume of a material
Your answer:
volume of liquid
time
density
length
- Standard used for comparison of test results in an experiment
Your answer:
variable
control
constant
hypothesis
- Ability of metals to be hammered or rolled into thin sheets
Your answer:
malleable
ductile
quark
luster
- Solid, liquid, or gas that contains two or more substances blended evenly throughout
Your answer:
heterogeneous mixture
homotroph
homogeneous mixture
heterotroph
- Neutral particle inside the nucleus of an atom
Your answer:
nucleus
proton
neutron
electron
- Element that typically is a hard, shiny solid, is malleable and is a good conductor of heat
Your answer:
quark
nonmetal
metalloid
metal
- Sum of the number of protons and neutrons in an atom's nucleus
Your answer:
average atomic mass
atomic number
mass number
quark
- The particle or particles that account for more than 99.99% of the mass of atoms other than hydrogen
Your answer:
electrons only
protons and neutrons
electrons and neutrons
protons only
- Which group has 8 valence electrons in elemental form?
Your answer:
halogens
alkaline earth metals
alkali metals
noble gases