stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
CHEMISTRY Flashcards | StudBud
Explore
/
CHEMISTRY
CHEMISTRY
27 terms
·
StudBud Administration
·
8 plays
Imported from external platform
Flashcards
27 cards
F
Practice quiz
P
Host live
L
Questions
27
Answers
1
The chemical properties depend upon the composition of the substance.
False
True
2
Analytical chemistry that deals with separation and analysis of a sample to identify its components.
False
True
3
molecular ion
When a molecule loses or gains an electron, it forms a molecular ion
molecular ion or radical is a species having positive or negative charge
idk
Cationic molecular ions are more abundant than anionic molecular
4
Elements are represented by symbols,
It is combining capacity of an element
which are abbreviations for the name of elements.
it will be capital as H for Hydrogen
In simple covalent compounds
5
formula unit
the simplest whole number ratio of ions, as present in ionic compound
the simplest whole number
IDK
formed by the combination of atoms
6
Environmental Chemistry in which we study about components of the environment and the effects on enviroment.
True
False
7
___actual number of atoms of each element present in a molecule of that compound
These molecules are
d. Molecular formula is derived from
molecular formulae that show
number of atoms of each element
8
we study the structure, composition, and chemical reactions of substances found in living organisms in (biochemistry)
True
False
9
molecular mass
A few compounds having different empirical and molecular
The molecular formula of a compound
Atomic masses of all the atoms present in one molecule of a mol lecular sub
none
10
. The properties those are associated with the physical state of the substance are called physical properties
False
True
11
Formula mass
the sum of atomic masses of all the atoms present one formula unit of sub
both
idk
e ionic compounds that form three dimensional
12
Nuclear Chemistry is the branch of chemistry that deals with the radioactivity, nuclear processes and properties.
False
True
13
f element is that it is a substance made up of same type of atoms, having same atomic number and cannot be decomposed...
none
into simple substances by ordinary chemical means
and each element is made up of unique type
into cells and can form an atom
14
A mole is defined as the amount(mass) of substance that contains 6.02xl0 number of particles (atoms, molecules,formula u
False
True
15
Compound is a substance made up of two or more elements chemically combined together in a fixed ratio by mass
False
True
16
Organic Chemistry is the study of covalent compounds of carbon and hydrogen (hydrocarbons) and their derivatives.
True
False
17
What is Substance?
when ice is heated, it melts to form water.
is a solid atom
A piece of matter in pure form is termed as a substance
it produces hydrogen and oxygen gases.
18
Matter is called a mixture; which can be homogeneous or heterogeneous in its composition
True
False
19
all elements and their compounds except those of compounds of carbon and hydhydrogen (hydrocarbons) and their derivative
False
True
20
When two or more elements or compounds mix up physically without any fixed ratio, they form a mixture
True
False
21
Physical Chemistry is defined as the branch of chemistry that deals with the relationship between the composition.
False
True
22
What is Chemistry?
the branch of science concerned with nature and properties of matter.
The subject matter of physics includes mechanics, heat, light.
the branch of science deals with prperties of matter.
the composition, structure, properties and reactions of matter is chemistry
23
The relative atomic mass of an element is the average mass of the th atoms of that element as compared to 1/12 .
False
True
24
What is Matter?
Matter is simply defined as anything that has mass and occupies space
s depend upon the composition of the substance.
depend upon the composition of the substance.
The properties those are associated with the physical state.
25
It is the simplest whole number ratio of atoms present in a compound (empirical formula)
True
False
26
valency
none
In simple ionic compounds valency
The unique property of an element is valency
It is combining capacity of an valency
27
Industrial Chemistry is manufacturing of chemical compounds on commercial scale, is called industrial chemistry.
False
True
