A) compound B) Element C) molecule D) ion
A) proton, neutron, electron B) plasma, proton, neutron C) proton, plasma, molecule D) element, neutron,
A) plasma B) electron C) neutron D) proton
A) proton B) neutron C) electron D) element
A) negative B) none C) both D) positive
A) neutron and electron B) proton and neutron C) electron and proton D) proton and plasma
A) neutrons and protons B) electrons C) protons D) neutrons
A) according to atomic number B) according alphabetical order C) according to number of ions D) according to atomic mass
A) 7 B) none C) 5 D) 12
A) 10 B) 7 C) 8 D) 9
A) gold B) copper C) silver D) potassium
A) molecule B) element C) electron D) neutron
A) 17 B) 15 C) 11 D) 12
A) isometric B) isotope C) isomers D) compound
A) positive B) element C) compound D) ion |