A) electron B) atom C) comound D) solid
A) covalent B) compound C) atomic mass D) atomic number
A) a homogenous mixture B) a heterogeneous mixture C) 2 or more elements chemically bonded D) a pure substance on the periodic table
A) electron B) proton C) quark D) neutron
A) mixture B) element C) compound D) atom
A) element B) compound C) heterogeneous mixture D) homogeneous mixture
A) homogeneous mixture B) heterogeneous mixture C) element D) compound
A) grain B) ion C) molecule D) compound
A) molecule B) compound C) element D) mixture
A) proton B) electron C) nucleus D) neutron
A) nucleus B) proton C) neutron D) electron
A) neutron B) electron C) nucleus D) proton
A) concentration B) solvent C) solubility D) solute
A) solute B) heterogenous C) compound D) solution
A) solvent B) solute C) concentration D) solubility
A) plasticity B) viscosity C) density D) buoyancy
A) negative B) neutral C) positive
A) Hydrogen B) Gold C) Aluminum D) Carbon
A) metal B) atoms C) cells D) carbon
A) electron B) element C) neutron D) proton
A) Each element contains only one kind of atom. B) All elements are metallic. C) Elements are made from mixtures of molecules. D) There are only five known elements.
A) an alloy B) a compound C) an element D) matter with no mass
A) True B) False
A) False B) True
A) False B) True
A) positive B) negative C) neutral
A) neutral B) negative C) positive
A) a mixture B) a proton C) an element D) a compound
A) an element B) a compound C) a mixture D) a proton
A) a compound B) an atom C) an element D) a proton |