WorksheetsChemical bonds
Total questions: 25
Worksheet time: 15mins
what is a chemical bond?
when valence electrons are transferred
positively charged atom
region formed when valence electrons from different atoms interact
chemical change that results in rearrangement of atoms
ionic bonding is the sharing of electrons between two non metals
true
false
molecule- group of _____ bonded together
only ions
protons
atoms
neutrons
sodium chloride (NaCl) is a _____ bond
covalent
ionic
positive
negative
IUPAC
International Union of Positive and Applied Chemistry
Interesting Union of Pure and Agilent Chemistry
International Union of Pure and Applied Chemicals
International Union of Pure and Applied Chemistry
Covalent bonds have a _____ melting point
high
nonexistent
low
weird
H2O is an covalent bond
true
false
the subscript is written _____ the line to show the number of atoms
above
below
to the left of
to the write of
the superscript is written _____ the line to show the charge of the ion
above
below
to the left of
to the right of
on the periodic table, the non metals are on the left
true
false
The Alkaline-Earth metals are in the first column
true
false
This group is the most reactive
alkali metals
alkaline earth metals
noble gases
halogens
isotopes have the same number of _____ but a different number of _____
protons or electrons, neutrons
electrons or neutrons, protons
ions or atoms, electrons
protons or neutrons, electrons
Sodium (Na) is _____ charged
ionicly
neutrally
positively
negatively
Ionic bonds and covalent bonds are both _____ bonds
chemical
metal
positive
negative
(a) - the sharing of electrons, between two non metals
(a) - an atom that has lost or gained electrons
(a) - positively charged ion
(a) - negatively charged ion
which element is best for Sodium (Na) to bond with?
Oxygen (O)
Silicon (Si)
Nitrogen (N)
Florine (F)
examples of a ionic bond include-
NaF
LiCl
H2O
KF
the _____ are on the _____ of the periodic table
metals, right
halogens, last group
alkaline earth metals, middle
transition metals, middle
the transition metals follow the valence electron rules
true
false
protons never _____
change
stay the same
are in the nucleus
move
atomic mass is_____
protons or electrons
protons or neutros
protons and electrons
protons and neutrons
