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Periodic Table Chemistry Flashcards | StudBud
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Periodic Table Chemistry
The nucleus of an atom contains:
The elements He and Ne are both
Periodic Table Chemistry
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1
The elements He and Ne are both
earth metal
alkali metals
noble gases
halogens
2
The nucleus of an atom contains:
protons and electrons
electrons, protons, neutrons
protons and neutrons
electrons and protons
3
Oxygen gains 2 electrons. It is a
neutral atom
negative ion
positive ion
molecule
4
Chlorine is an example of
noble gas
transition metal
alkali metal
halogen
5
Most of the elements in the periodic table are:
Metalloids
Non-metals
Metals
Neither of above
6
Bromine is Br-1. How many electrons did it have in its outside shell
8
1
2
7
7
Mg has 12 electrons. Its shell arrangement would be:
2,2,2,2,2,2
2,8,2
2,4,6
2,10
8
Mg becomes a positive ion by
gaining 2 e
losing 2 e
losing 1 e
gaining 1 e
9
When an atom loses an electron it forms a
positive ion with -1 charge
negative ion with -2 charge
negative ion with -1 charge
postitive ion with +1 charge
10
The columns of the periodic table are called
groups
families
periods
series
11
Which is not a metalloid
Aluminium
Germanium
Arsenic
Silicon
12
When an element like Na or Cl gain or lose electrons are they now
more unstable
more stable
13
The elements in the first column are called
noble gases
halogens
alkali earth metals
alkali metals
14
In the periodic table, elements with similar properties can be found in:
every 2nd row
same group
same period
every 4th column
15
Which element is likely to form an ion with a single positive charge
Na
Cl
C
He
16
Elements in group 13, form an ion by
losing three electrons to form Al-3
gaining three electrons to form Al+3
gaining three electrons to form Al-3
losing three electrons to form AL+3
17
How can you tell atoms are of the same element
same number of electrons
have a nucleus and shells
same number of neutrons
same number of protons
18
Which of the following is an element
DNA
Water
Ice
Gold
19
The maximum number of electrons on the second shell is
8
2
6
4
20
Which statement is INCORRECT?
the positive charge particles are found in the nucleus
in a neutral atom, the charge is zero
the negative charged particles are in the nucleus
the electron is about 1/2000th the mass of a proton
21
Which of the following is not a metal
Sodium
Oxygen
Chromium
Copper
22
When Carbon (non-metal) bonds with Hydrogen (non-metal) what type of bond is formed?
Special
Family
Ionic
Covalent
23
An element is best described as
contains many compounds
made up of only one type of atom
contains more P than N
made up of multiple atoms
24
Elements are arranged according to
melting point
boiling point
Atomic number
mass number
25
One of the particles inside the atom is lighter than the others. It is the:
Neutron
Proton
Electron
Nucleus
