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Instruction: Re
sheet of paper
1. What do you call the central mass of
a. Proton
b. Electron
2. Which of the three sub-atomic particles are found outside
a. The proton
c. The election
b. The neutron
d. None of the
3. It is said that atoms contain charged particles. Why do they nat
a. They contain the same number of protons and electro
b. The charge is locked away in the nucleus
c. They contain equal numbers of protons and neutr
d. They contain the same number of electrons and
4. Which of the following statements about orbitals is tru
a. Orbitals are distributed in space around the
b. Orbitals are regions in which electrons are
Orbitals show the path of the electron
hitals are part of one model for atom
hitals at energy level 4 or qua
b. 3s 3p 3d
Boron, Z=5, hav​