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