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Atoms and the periodic table 2019 Flashcards | StudBud
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Atoms and the periodic table 2019
Atoms and the periodic table 2019
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atoms #atoms #periodic table
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Answers
1
The atomic number of oxygen is
8
10
6
16
2
In chemical changes, atoms are rearranged to
create an ionic bond
create the same substance
create a metalic bond
form a new substance
3
Chemical reactions cause these to break and reform/rearrange.
chemical bonds
molecules
ions
atoms
4
The noble gases are
the top row of elements
the first column of elements
the second to last column of elements
the last column of elements
5
good conductor, ductility, tensile strength, luster and malleability are properties of...
minerals
metals
gasses
metaloids
6
When an atom loses an electron in its outer shell it becomes
an isotope
a covalant bond
an ion
a metal
7
Groups are
· the up and down columns of the periodic table
Rows 13 through 18
The verticle rows
rows 1 through 8
8
neutrons, protons and electrons are
are all negatively charged
are all positively charged
subatomic particles and are not made of atoms
are matter made of atoms
9
These 2 families or groups are very reactive because they only have one or 2 valence electrons.
noble gases
alkali metals
halogens
metalloids
10
What do all the atoms of a period have in common?
# of electrons
Physical properties
Chemical properties
# of orbitals or energy levels
11
Nitrogen has one more valence electron than carbon has and therefore we can infer
Nitrogen and carbon are in different groups
They are in the same group
They are in the same period
They have the same atomic mass
12
To find out how many neutrons there are in the nucleus of an atom, you
add the electrons and protons
add the electrons, protons and neutrons
subtract the atomic number from the atomic massnumber.
subtract the nuetrons from the protons
13
What type of atoms are circled below
mataloids
nonmetals
nobel gasses
metals
