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Astronomy Review #4

Last updated over 6 years ago

9 questions

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Question 1

1.

If Boron is an ion with a +3 charge, then how many protons and electrons does it have?

5 protons and 5 electrons

5 protons and 6 electrons

5 protons and 2 electrons

6 protons and 3 electrons

Question 2

2.

An element with 17 protons and 18 electrons

An atom of Chlorine

A Chlorine ion with -1 charge

A Chlorine ion with a +1 charge

Question 3

3.

What is the most common isotope of Scandium

21 protons and 23 neutrons

21 protons and 21 neutrons

21 protons and 24 neutrons

20 protons and 25 neutrons

Question 4

4.

This atom has 30 protons, 35 neutrons, and 28 electrons. What is it?

Question 5

5.

Draw the electron configuration for Sulfur

Question 6

6.

different numbers of neutrons
different numbers of electrons
has a plus or minus charge
Has a different atomic mass number

Isotope
Ion

Question 7

7.

The phase of the moon above is

a waxing crescent

a waxing gibbous

a waning crescent

a waning gibbous

Question 8

8.

A sidereal day is shorter than a solar day

True

False

Question 9

9.

In our solar system, which of the following is a terrestrial planet?

Jupiter

Mercury

Pluto