Chemistry Test 1

What letter represents the red section of the table?

What letter represents the yellow section of the table?

What letter represents the blue section of the table?

What letter represents the green section of the table?

What is the electron configuration of Sodium

• $1s^2\ 2s^2\ 2p^6\ 3s^1$
  

• $2s^2\ 2p^63s^1$

• $1s^2\ 2s^2\ 2p^6\ 3s^2$

• $1s^2\ 2s^2\ 2d^2\ 2p^2\ 3s^1$

How many valences does the red section's electrons have? Select more than one.

• 1

• 2

• 3

• 4

• 5

What sections can contain only 2 valence electrons?

• Blue

• Green

• Yellow

• Red

• None

How many valence electrons does the yellow section contain? Write your answers as a list like:

a, b, c, d, e, f and g.

A mole equals:

• $6.022\ \times\ 10^{23}$ amu
  

• $6.022\ \times\ 10^{22}$ amu

• $6.023\ \times\ 10^{23}$ amu

• $6.023\ \times\ 10^{22}$ amu

Rewrite Mercury-201

• $\frac{201}{80}Hg$

• $\frac{80}{201}Hg$