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