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