Chapter 7 Section 7.1 Worksheet - Joseph Morsaw | Library

9

Classify the following elements as metals, metalloids, or nonmetals.

zinc
oxygen
fluorine
chlorine
sodium
silicon
gold
strontium
phosphorus

metals
metalloids
nonmetals

6

For each element, determine how many dots each of these elements will have:

aluminum
calcium
potassium
magnesium
rubidium
barium

1 dot
2 dots
3 dots

7

For each element, determine how many dots each of these elements will have:

selenium
Iodine
sulfur
bromine
silicon
carbon
nitrogen

4 dots
5 dots
6 dots
7 dots

2

Dots in the dot diagram represent ____________________ electrons.

2

______________________ form positive ions.

2

Another name for positive ions is __________________.

2

___________________ form negative ions.

2

Another name for negative ions is ______________________.

2

If lithium forms an ion, the name of the ion would be ____________________(2 words).

2

If chlorine forms an ion, the name of the ion would be ____________________(2 words).

2

All anions have the suffix ending -_____________.

2

Ions are atoms which have changed their dot diagram to have a more stable electron configuration. The element group which has the most stable elements is called ________________(2 words).

2

Nonmetals are found on the ________________ side of the periodic table.

4

Which of the following electron configurations is the configuration of sodium?

4

When sodium forms an ion, it loses an electron. Which electron configurations is the configuration of the sodium ion?

4

Which of the following electron configurations is the configuration of oxygen?

4

Which of the following electron configurations is the configuration of oxygen when oxygen forms an ion?

2

When bromine forms an ion it will have the name.....

2

When calcium forms an ion it will have the name.....

2

When zinc forms an ion it will have a charge of.....

2

When nitrogen forms an ion it will have a charge of.....

11

Match the element with the correct charge

bromine
oxygen
phosphorus
lithium
rubidium
fluorine
aluminum
silver
strontium
iodine
barium

+1
-1
-2
+2
-3
+3