2.its refers to a charged particle or atom.
a. molecule b. element
c. molecule d. ion
3....
Chemistry, 05.03.2021 14:00 fernandoramirez086
2.its refers to a charged particle or atom.
a. molecule b. element
c. molecule d. ion
3. Which of the following elements will lose an electron to attain noble gas
configuration?
a. lodine b. bromine c. potassium d. sulfur
4. Which of the following elements will gain an electrons to attain noble gas
configuration?
a. lodine b. Magnesium c. Aluminum d. Barium
5. It is formed when an atom loses an electron to attain stability.
a. negative ion b. positive ion C. neutral atom d. anion
6. What is the overall charge of an atom if it has more protons than electrons?
a. positive b. neutral c. negative d. no charge
7. Chlorine atom belongs in group VI A in the Periodic Table. How many electrons are
needed to become stable?
a. 2
b. 7
c.1
d. 3
8. Which of the following is a polyatomic ion?
a. Na + b. SO42.
C. F -
d. Ca 2+
9. It is an ion composed of only one atom.
a. polyatomic ion b. divalent c. monoatomic ion d. monovalent
10. For question nos. 10 and 11, refer to the following electronic configurations of atoms:
a. 1s 2 2s 2 2p 6
c. 1s 2 2s 2 2p 4
b. 1s 2 2s 2 2p 63s 2 3p 64s 2 3d 10 4p 5
d. 1s 22s1
10. Which one has the tendency to gain electrons?
11. Which one has the tendency to give away electrons?
12. It is formed when an atom loses an electron to attain stability.
a. negative ion b. positive ion C. neutral atom d. anion
13. It refers to a charged particle or atom.
a. molecule b. element
c. molecule
d. ion
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