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Chem 1050 > Fill in the blank > Flashcards

Fill in the blank Flashcards

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1
Q

Express 1870000 in scientific notation

A

1.87 x 10 to 6

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2
Q

Write 8319 in standard scientific notation

A

8.319 x 10 to 3

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3
Q

The number 0.00003007 expressed in exponential notation is

A

3.007 x 10 to -5

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4
Q

The number 0.00231 expressed in exponential notation is

A

2.31 x 10 to -3

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5
Q

One kilogram contains ______ grams

A

1000

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6
Q

How many milliliters are in 0.020 L

A

20 mL

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7
Q

1 mm contains _____km

A

1.0 x 10 to -6

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8
Q

12.4 L contains _______mL

A

12,400 mL

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9
Q

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

A

meter

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10
Q

The number of milligrams in 1 kg is ________

A

1.0 x 10 to 6

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11
Q

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

A

milli

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12
Q

The number of cubic centimeters in 43.0 mL is _____

A

43.0

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13
Q

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

A

4

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14
Q

How many significant figures in the number 103.045

A

6

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15
Q

The number 2763 rounded to 3 significant figures becomes ______

A

2760

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16
Q

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

A

Oxygen

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17
Q

The symbol for chlorine is ______

A

Cl

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18
Q

The symbol for potassium is ______

A

K

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19
Q

The symbol for cobalt is ______

A

Co

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20
Q

The symbol for mercury is _______

A

Hg

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21
Q

The symbol C stand for ______

A

Carbon

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22
Q

The symbol Ag stands for ________

A

Silver

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23
Q

The symbol Au stands for ________

A

Gold

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24
Q

The symbol S stands for ________

A

Sulfur

25
Q

The symbol Ba stands for ________

A

Barium

26
Q

The symbol for calcium is _______

A

Ca

27
Q

The symbol for lead is ________

A

Pb

28
Q

Which atomic particle determines the chemical behavior of an atom?

A

electron

29
Q

List the three main subatomic particles

A

protons, neutrons and electrons

30
Q

What particle has the smallest mass

A

electron

31
Q

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

A

8, 8, 8

32
Q

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

A

neutrons

33
Q

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

A

atomic numbers

34
Q

The correct name for LiCl is _________

A

lithium chloride

35
Q

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

A

+1

36
Q

The correct name for the Ca2+ species is_______

A

calcium ion

37
Q

The correct name for P2O5 is _______

A

Diphosphorus Pentaoxide

38
Q

CO is the formula for __________

A

Carbon Monoxide

39
Q

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

A

increases

40
Q

A given set of f orbitals consists of ______ orbitals

A

7

41
Q

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

A

2

42
Q

A given set of d orbitals consists of ________ orbitals

A

5

43
Q

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

A

2

44
Q

The maximum electron capacity of an f sublevel is _______

A

14

45
Q

A d sublevel can hold a maximum of _______ electrons

A

10

46
Q

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

A

6

47
Q

The electron configuration for the oxygen atom is _____

A

1S2 2S2 2P4

48
Q

The alkaline earth metals have how many valance electrons?

A

2

49
Q

The noble gases contain how many valance electrons?

A

8

50
Q

Write the electron configuration for B

A

1S2 2S2 2P1

51
Q

Metal atoms tend to _____ electrons and form ______ ions

A

lose, positive

52
Q

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

A

ionic

53
Q

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

A

dipole

54
Q

Nonmetal elements typically have ______ electronegativities

A

high

55
Q

Write the electron configuration for Al3+

A

1S2 2S2 2P6

56
Q

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

A

polar covalent

57
Q

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

A

loses, gains

58
Q

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

A

directly, Kelvin

Chem 1050 (9 decks)

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