Fill in the blank

Question 1

Express 1870000 in scientific notation

Answer 1

1.87 x 10 to 6

Question 2

Write 8319 in standard scientific notation

Answer 2

8.319 x 10 to 3

Question 3

The number 0.00003007 expressed in exponential notation is

Answer 3

3.007 x 10 to -5

Question 4

The number 0.00231 expressed in exponential notation is

Answer 4

2.31 x 10 to -3

Question 5

One kilogram contains ______ grams

Answer 5

1000

Question 6

How many milliliters are in 0.020 L

Answer 6

20 mL

Question 7

1 mm contains _____km

Answer 7

1.0 x 10 to -6

Question 8

12.4 L contains _______mL

Answer 8

12,400 mL

Question 9

The fundamental unit of length in the metric system is the ____

Answer 9

meter

Question 10

The number of milligrams in 1 kg is ________

Answer 10

1.0 x 10 to 6

Question 11

The SI prefix that corresponds to a factor of 10 to -3 is _____

Answer 11

milli

Question 12

The number of cubic centimeters in 43.0 mL is _____

Answer 12

43.0

Question 13

How many significant figures are in the number 6.022 x 10 to 23

Answer 13

4

Question 14

How many significant figures in the number 103.045

Answer 14

6

Question 15

The number 2763 rounded to 3 significant figures becomes ______

Answer 15

2760

Question 16

_____ is the most abundant element on earth (including the crust, oceans, and atmosphere).

Answer 16

Oxygen

Question 17

The symbol for chlorine is ______

Answer 17

Cl

Question 18

The symbol for potassium is ______

Answer 18

K

Question 19

The symbol for cobalt is ______

Answer 19

Co

Question 20

The symbol for mercury is _______

Answer 20

Hg

Question 21

The symbol C stand for ______

Answer 21

Carbon

Question 22

The symbol Ag stands for ________

Answer 22

Silver

Question 23

The symbol Au stands for ________

Answer 23

Gold

Question 24

The symbol S stands for ________

Answer 24

Sulfur

Question 25

The symbol Ba stands for ________

Answer 25

Barium

Question 26

The symbol for calcium is _______

Answer 26

Ca

Question 27

The symbol for lead is ________

Answer 27

Pb

Question 28

Which atomic particle determines the chemical behavior of an atom?

Answer 28

electron

Question 29

List the three main subatomic particles

Answer 29

protons, neutrons and electrons

Question 30

What particle has the smallest mass

Answer 30

electron

Question 31

How many protons, electrons and neutrons does 16Oxygen have?

Answer 31

8, 8, 8

Question 32

Atoms of the same element having the same atomic number but different mass numbers are called ______

Answer 32

neutrons

Question 33

The number of protons in the nucleus of an atom is called its ________

Answer 33

atomic numbers

Question 34

The correct name for LiCl is _________

Answer 34

lithium chloride

Question 35

The charge on a potassium ion in its ionic compounds is _____

Answer 35

+1

Question 36

The correct name for the Ca2+ species is_______

Answer 36

calcium ion

Question 37

The correct name for P2O5 is _______

Answer 37

Diphosphorus Pentaoxide

Question 38

CO is the formula for __________

Answer 38

Carbon Monoxide

Question 39

As the principal energy level increases in an atom's orbitals, the average distance of an electron energy level from the nucleus __________

Answer 39

increases

Question 40

A given set of f orbitals consists of ______ orbitals

Answer 40

7

Question 41

The maximum number of electrons allowed in each of the p orbitals is ______

Answer 41

2

Question 42

A given set of d orbitals consists of ________ orbitals

Answer 42

5

Question 43

The maximum number of electrons allowed in each of the d orbitals is ______

Answer 43

2

Question 44

The maximum electron capacity of an f sublevel is _______

Answer 44

14

Question 45

A d sublevel can hold a maximum of _______ electrons

Answer 45

10

Question 46

The maximum number of electrons allowed in the p sublevel of the third principal level is ______

Answer 46

6

Question 47

The electron configuration for the oxygen atom is _____

Answer 47

1S2 2S2 2P4

Question 48

The alkaline earth metals have how many valance electrons?

Answer 48

2

Question 49

The noble gases contain how many valance electrons?

Answer 49

8

Question 50

Write the electron configuration for B

Answer 50

1S2 2S2 2P1

Question 51

Metal atoms tend to _____ electrons and form ______ ions

Answer 51

lose, positive

Question 52

Chemical bonds formed by the attraction of oppositely charged ions are called _____

Answer 52

ionic

Question 53

When a molecule has a center of positive charge and a center of negative charge it is said to have a ______

Answer 53

dipole

Question 54

Nonmetal elements typically have ______ electronegativities

Answer 54

high

Question 55

Write the electron configuration for Al3+

Answer 55

1S2 2S2 2P6

Question 56

When electrons are shared unequally chemists characterize these types of bonds as _________

Answer 56

polar covalent

Question 57

When a metal and a nonmetal react, the metal ______ electrons and the nonmetal _______ electrons.

Answer 57

loses, gains

Question 58

At constant pressure the volume of a gas sample is______ proportional to its ________ temperature.

Answer 58

directly, Kelvin