stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Revisit Atoms and the Periodic Table Flashcards | StudBud
Explore
/
Revisit Atoms and the Periodic Table
Revisit Atoms and the Periodic Table
21 terms
·
StudBud Administration
·
64 plays
A #science #quiz for quick #revision of #periodictable #organisation and #atoms
Flashcards
21 cards
F
Practice quiz
P
Host live
L
Questions
21
Answers
1
An average mass of all isotopes of an atom is called:
average mass
average atomic number
average electron number
average atomic mass
2
Which scientist first used the atomic mass of elements to organise the first periodic table?
Mendelev
Rutherford
Dalton
Moseley
3
Columns on the periodic table represents:
groups
family
neighbour
periods
4
To become a positive ion, an atom must:
gain protons
gain eletrons
lose protons
lose electrons
5
Nobel gases are said to be _________ because they have a full electron valence shell.
easily changed
most stable
highly reactive
non-reactive
6
To become a negative ion, an atom must:
gain electrons
lose protons
lose electrons
gain protons
7
An atom is neutral when it has:
equal # of electrons and neutrons
equal # of electrons and protons
a full outer shell
equal # of neutrons and protons
8
Which subatomic particles are found in the nucleus?
neutrons and electron
electrons and valence shells
protons and electrons
neutrons and protons
9
Group 3-12 are called:
earth metals
noble gases
metalloids
transition metals
10
Carbon -13 and Carbon -14 are ___________ for the carbon element.
ions
isomers
isotopes
compound
11
Elements of the modern periodic table are arranged according to their:
atomic mass
atomic number
electron number
atomic properties
12
An atom is made up of:
core, shell and electrons
protons, neutrons and electrons
nucleus, protons, and electrons
subatomic particles in the nucleus
13
What is used to identify the number of protons an atom contains?
atomic mass
period number
atomic number
group number
14
Valence electrons are electrons that an atom loses or gains. They are found in:
the nucleus
in the inner shell
closest to the nucleus
outer most shell of an atom
15
Group 1 elements are called:
alkali earth metals
alkali metals
non-metals
transition elements
16
Sum of protons and neutrons of an atom is called:
element number
mass number
nuclear number
atomic number
17
How many electrons do the first three shells of an atom hold?
2, 8, 18
2, 4, 8
2, 2, 8
2, 8, 8
18
Group 17 elements are called:
noble gases
non-metals
alkali metals
halogens
19
The periodic table is organised in:
families
periods and columns
groups and periods
rows and groups
20
Rows in the periodic table represent:
periods
neighbour
groups
family
21
Which of the following correctly lists the proper charges of protons, neutrons and electrons?
p-, n1, e+
p, n, e
p+, n0, e-
p1, n0, e-1
