Question

question 8 (1 point)
(02.02 lc)
use the periodic table to match each of the following element symbols its name, atomic mass, or atomic number.
column a column b

1. sb a. 32.06 u (atomic mass)
2. s b. 14 (atomic number)
3. si c. antimony

question 9 (1 point)
(02.02 lc)
use the periodic table to match each of the following element symbols to its name, atomic mass, or atomic number.
column a column b

1. sn a. tin
2. se b. 78.971 u (atomic mass)
3. s c. 16 (atomic number)

question 10 (1 point)
(02.02 lc)
which of the following best describes a metal?
a brittle, shiny, and solid
b brittle, dull, and low density
c malleable, shiny, and able to conduct heat or electricity
d malleable, dull, and solid, liquid, or gas at room temperature

Explanation:

Question 8

Step1: Identify element Sb

Look up Sb in periodic - table. Sb is Antimony.

Step2: Identify element S

Look up S in periodic - table. S is sulfur with atomic mass approximately 32.06 u.

Step3: Identify element Si

Look up Si in periodic - table. Si has atomic number 14.

Step1: Identify element Sn

Look up Sn in periodic - table. Sn is Tin.

Step2: Identify element Se

Look up Se in periodic - table. Se has atomic mass approximately 78.971 u.

Step3: Identify element S

Look up S in periodic - table. S has atomic number 16.

Metals are malleable (can be hammered into sheets), shiny, and good conductors of heat and electricity.

Answer:

1. c
2. a
3. b

Question 9