NUMBER OF NEUTRONS

Question 1

Isotopes of an element have what in common and what not in common?

Group of answer choices
HAVE A COMMON NUMBER OF NEUTRONS (NUMBER OF PROTONS) BUT DIFFER IN THEIR NUMBERS OF PROTONS
HAVE A COMMON ATOMIC NUMBER (NUMBER OF PROTONS) BUT DIFFER IN THEIR NUMBERS OF ELECTRONS

THEY HAVE A COMMON ATOMIC NUMBER (NUMBER OF PROTONS) BUT DIFFER IN THEIR NUMBERS OF NEUTRONS

HAVE A COMMON MASS NUMBER (NUMBER OF PROTONS) BUT DIFFER IN THEIR NUMBERS OF PROTONS

Question 2

Pick the best definition for percent abundance

Group of answer choices
OF THE TOTAL NUMBER OF PARTICLES IN A MIXTURE, WHAT PERCENT IS THE COMPONENT YOU ARE INTERESTED IN
NONE OF THE ABOVE

OF THE TOTAL MASS OF A MIXTURE, WHAT PERCENT IS THE COMPONENT YOU ARE INTERESTED IN

OF THE TOTAL NUMBER OF PARTICLES IN A MIXTURE, WHAT PERCENT ARE THE MAIN TWO COMPONENTS YOU ARE INTERESTED IN

Question 3

Pick the best definition of percent mass

Group of answer choices
OF THE TOTAL MASS OF A MIXTURE, WHAT AMOUNT IS THE COMPONENT YOU ARE INTERESTED I
NONE OF THE ABOVE

OF THE TOTAL MASS OF A MIXTURE, WHAT PERCENT IS THE COMPONENT YOU ARE INTERESTED IN

OF THE TOTAL MASS OF A MIXTURE, WHAT PERCENT IS THE MAIN TWO COMPONENTS YOU ARE INTERESTED I

Question 4

How many components will you be mixing in your "mixture" for this experiment?

Group of answer choices
3
1

4

2

Question 5

Please watch the video below and answer the following question:

For the example for Silicon, the average mass calculated does in fact match what is on the periodic table.

TRUE

FALSE

Question 6

If you have 2 green jelly beans, 5 blue jelly beans, and 10 red jelly beans, what is the percent abundance of the red jelly beans?

Please report to 2 SF's and no units

Question 7

If you have 3 green jelly beans, 6 blue jelly beans, and 8 red jelly beans, what is the percent by mass of the red jelly beans?

Green jelly beans weigh 1.1 g

Blue jelly beans weigh 1.3 g

Red jelly beans weigh 1.0 g

Please report to 2 SF's and no units

Sample Solution