Question

1. ionization refers to the process of

a. changing from one period to another
b. losing or gaining electrons
c. turning lithium in fluorine
d. losing or gaining protons

1. elements that have properties of both metals and non - metals are called

a. ions
b. periods
c. metalloids
d. valences

1. which statement about alkali metals is correct

a. they are located in the left most column of the periodic table
b. they are extremely non - reactive
c. they are usually gases
d. they form negative ions with a - 1 charge

1. which element is a metalloid

a. carbon
b. silicon
c. sodium
d. uranium

1. neon is a noble gas that has a full outer shell, which makes the gas

a. freeze at room temperature
b. react with other gases in the air
c. unlikely to combine with other elements
d. become a liquid at room temperature

Explanation:

1. Ionization is the process of losing or gaining electrons to form ions.
2. Metalloids have properties of both metals and non - metals.
3. Alkali metals are in Group 1 (left - most column) of the periodic table.
4. Silicon is a well - known metalloid.
5. Noble gases with full outer shells are chemically inert and unlikely to combine with other elements.

Answer:

1. B. Losing or gaining electrons
2. C. metalloids
3. A. They are located in the left most column of the periodic table
4. B. silicon
5. C. Unlikely to combine with other elements