PPT1 Gen Chem

Question 0

Smallest particle of an element, building block

Answer 0

Atom

Question 1

Anything that occupies space and has mass?

Answer 1

Matter

Question 2

An atom is composed of?

Answer 2

Protons neutrons and electrons

Question 3

A _______ can not be broken down

Answer 3

Element

Question 4

Two or more elements together

Answer 4

Compound

Question 5

Protons have a ______ charge and are located ___________

Answer 5

Positive charge and inside nucleus

Question 6

Neutrons have a ______ charge and are located ________

Answer 6

Neutral or no charge, and are in nucleus

Question 7

Electrons have a ______ charge and are located ________

Answer 7

Negative charge, and outside nucleus

Question 8

Number of protons inside nucleus

Answer 8

Atomic number (defines each different element)

Question 9

The number of protons equals the number of _________

Answer 9

Electrons

Question 10

Number of protons and neutrons

Answer 10

Mass number (atomic weight)

Question 11

Atoms that have the same number of protons and a different number of neutrons

Answer 11

Isotopes

Question 12

Oxygen has how many isotopes?

Answer 12

3

Question 13

Isotopes have the same ________ properties but different ____________ properties

Answer 13

Same chemical prop

Different physical prop

Question 14

_____ gases have full outer shells. Example helium neon and argon

Answer 14

Noble gases

Question 15

Atoms try to get _____ electrons in their outer shells

Answer 15

8

Question 16

Electrons in the outer shell are called ___________

Answer 16

Valence electrons

Question 17

The transfer of electrons are known as what type of bonding?

Answer 17

Ionic bonding

Question 18

Sharing electrons is known as what type of bonding?

Answer 18

Covalent

Question 19

Elements with 1, 2, or 3 electrons in the outer shell that give them up and end up with a positive charge are called?

Answer 19

Cations

Question 20

Elements that need 1, 2, or 3 electrons to be complete which end up taking them and getting a negative charge are called?

Answer 20

Anions

Question 21

Ions of opposite charge are _______ to each other

Answer 21

Attracted

Question 22

Na has one extra (-) and then combines with Cl (+) which is 7, Na gives a (-) to Cl, this type of bonding is called?

Answer 22

Ionic bonding

Question 23

________ occurs when two atoms share valence electrons

Answer 23

Covalent bonding

Question 24

Carbohydrates, lipids, proteins, nucleic acids, vitamins, hormones, and enzymes are all examples of _______ _______ bonds

Answer 24

Covalent carbon bonds

Question 25

Carbon molecule has _____ valence electrons

Answer 25

4

Question 26

Compounds that have covalent carbon bonds in them

Answer 26

Organic molecules

Question 27

Monosaccharides, disaccharides, and polysaccharides are considered

Answer 27

Carbohydrates

Question 28

_______ are the primary source of energy

Answer 28

Carbohydrates

Question 29

All contain carbon, water, and hydrogen

Answer 29

Carbohydrates

Question 30

Large molecules composed of carbon, hydrogen, oxygen and nitrogen

Answer 30

Protein

Question 31

The basic building block of protein is

Answer 31

Amino acids

Question 32

Composed of carbon, oxygen, and hydrogen

Answer 32

Lipids

Question 33

3 functions of lipids are

Answer 33

Provides energy, cell membrane structure, and essential nutrients

Question 34

Nucleic acids

Answer 34

DNA and RNA

Question 35

Phosphate group, 5 carbon sugar and nitrogenous base

Answer 35

Nucleotide

Question 36

______molecules do not have any c-c or c-h covalent bonds

Answer 36

Inorganic

Question 37

Body is made up of _____ elements

Answer 37

26

Question 38

96% of our bodies are made up of these four elements

Answer 38

Oxygen, carbon, hydrogen, and nitrogen

Question 39

Oxygen equals ______ of bodies weight

Answer 39

65%

Question 40

Most abundant molecule

Answer 40

H2O

Question 41

Substances that break down in solutions to form ions

Answer 41

Electrolytes

Question 42

Acids, bases, salts are all examples of?

Answer 42

Electrolytes

Question 43

______ are charged particles

Answer 43

Ions

Question 44

______ can carry an electrical current

Answer 44

Electrolytes

Question 45

Water reacts with _______ to produce a base

Answer 45

Metal oxide

Question 46

Water reacts with _____ to produce and acid

Answer 46

Nonmetal

Question 47

_____ polar nature makes it am excellent solvent

Answer 47

Waters

Question 48

When electrical current is passed through ______ it forms hydrogen and oxygen gas

Answer 48

Water

Question 49

_____ is a waste product of cell metabolism

Answer 49

Co2

Question 50

____ is produced by cells and must be transported to lungs to be excreted

Answer 50

Co2

Question 51

Donates (h+)

Answer 51

Acids

Question 52

Accepts (h+)

Answer 52

Base

Question 53

Na, K, Ca, Mg are all examples of

Answer 53

Cations

Question 54

Cl, bicarbonate, Phosphate are all examples of

Answer 54

Anions