Chemical Bonding Worksheet (Page 3 of 4) in pdf

Chemical Bonding Worksheet Page 3

Grade 9 Science Related Reading/Materials

Q. Apply Concepts: Magnesium is a metal with two electrons in its outermost

energy level. When it becomes an ion, what happens to its valence electrons?

What happens to its charge?

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Q. Interpret Graphics: Sulfur is a nonmetal that has six electrons in its

outermost level. Using the models of a magnesium (Mg) atom and a sulfur (S)

atom below, draw arrows to show the transfer of electrons.

Q. Choose the best answer

1.Which of the following is an interaction that holds two atoms together?

a. chemical hold

b. chemical bond

c. chemical interaction

d. bond of chemicals

2.Which group on the periodic table contains elements that do not normally

form chemical bonds?

a. Group 2

c. Group 4

b. Group 6

d. Group 8

3. When atoms lose electrons through an ionic bond, they become

a. positively charged.

c. negatively charged.

b. neutral.

d. uncharged.

4.What is formed when atoms share one or more pairs of electrons?

a. covalent bond

c. ionic bond

b. covalent compound

d. electric bond

Q. Read the words in the box. Read the sentences. Fill in each blank with the

word or phrase that best completes the sentence.

Chemical Bonding Worksheet Page 3