BASIC CHEMISTRY

Question 1

Anything that occupies space and has mass

Answer 1

Matter

Question 2

Is the quantitative property that must be transferred to an object in order to perform work or to produce heat

Answer 2

Energy

Question 3

It has no mass but can be measured and it drives all the chemical reactions in the body

Answer 3

Energy

Question 4

Plants extract__&___from the atmosphere which becomes the building block biomatter

Answer 4

Carbon dioxide and nitrogen

Question 5

Fundamental substance composing of matter

Answer 5

Elements

Question 6

Building block of elements a particular element has a unique physical and chemical property

Answer 6

Atoms

Question 7

It is the denser inner core of the atoms

Answer 7

Nucleus

Question 8

Combination of two or more atoms of the same element help together by chemical bonds

Answer 8

Molecule

Question 9

Two or more different atoms are bound together

Answer 9

Compound

Question 10

This type of mixture visibly portray different parts or phases of the mixture

Answer 10

Heterogeneous mixture

Question 11

It is a type of mixture that do not portray any different part or phases of the mixture

Answer 11

Homogenous mixture

Question 12

A special mixture form when a material dissolves in water

Answer 12

Solution

Question 13

Homogeneous mixture of two or more component

Answer 13

Solution

Question 14

Heterogeneous mixture that appear milky or translucent

Answer 14

Colloids

Question 15

Heterogeneous mixture with large often visible solutes

Answer 15

Suspension

Question 16

These are charged particles

Positively charged

Negatively charged

It is an ions dissolved in solution

Answer 16

Ions
Cat ions
Anions
Electrolytes

Question 17

Chemical union of two or more atoms

Answer 17

Bonds

Question 18

Electrons are completely transferred from one atom to another

Answer 18

Ionic bond

Question 19

Electrons are shared by the atoms

Answer 19

Covalent bond

Question 20

Hydrogen atoms already linked covalently to one electronegative atom is attracted by another electronegative atom

Answer 20

Hydrogen bond

Question 21

Two or more substances react to produce a single new substance

Answer 21

Synthesis

Question 22

Reaction where a more complex molecule breaks down to form two or more simpler products

Answer 22

Decomposition

Question 23

Double displacement or replacement reaction is also called as

Answer 23

Metathesis reaction

Question 24

The two compounds exchange ions to produce two new compounds

Answer 24

Double displacement reaction

Question 25

Negative logarithm of the concentration of hydrogen ion and is the measure of acidity or basicity

Answer 25

Ph

Question 26

A solution that resist PH change when an acid or base is added

Answer 26

Buffer

Question 27

Molecules move from greater to lesser solute concentration using a carrier to move the molecule across the membrane

Answer 27

Facilitated diffusion

Question 28

Movement of water molecules from an area of lesser solute to greater solute concentration

Answer 28

Osmosis

Question 29

It is the movement of particles against concentration gradient

Answer 29

Active transport

Question 30

Chemical constituents of living matter

Answer 30

Proteins carbohydrate lipids and nucleic acids

Question 31

These are hydrates of carbon contain hydrogen an oxygen can be monosaccharides disaccharides and polysaccharide

Answer 31

Carbohydrates

Question 32

Group of compounds with diverse chemical structure and composition sharing the common property of being insoluble in water but soluble in other lipids and organic compounds such as either chloroform and alcohol

Answer 32

Lipids

Question 33

Usually classified according to their solubility then can be classified as simple lipids complex lipid and precursor or derive lipids

Answer 33

Lipids

Question 34

Polymer of amino acid

Answer 34

Proteins

Question 35

Made up of nucleotides a molecule composed of a nitrogenous base phosphate and pentose sugar

Answer 35

Nucleic acids