Chemical bonds and water
Science
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9 questions
Question 1
Short Answer
10 points
atom that has a positive or negative charge because it lost or gained one or more electrons
Question 2
Multiple Choice
10 points
the attractive force that holds atoms or ions together
A.electron shell
B.chemical bonds
C.chemical attraction
D.valence
Question 3
Multiple Choice
10 points
a chemical bond in which one atom loses an electron and the other atom gains electrons to form ions, formed between a cation and an anion
A.ionic bond
B.covalent bond
C.intermolecular forces
D.hydrogen bond
Question 4
Short Answer
10 points
bond formed by the sharing of electrons between atoms
Question 5
Multiple Choice
10 points
An ion with an overall negative charge because it gained one or more electrons
A.metal ion
B.kation
C.anion
D.ionic bond
Question 6
Short Answer
10 points
All the noble gases except helium have __ electrons in their outer energy level.
Question 7
Multiple Choice
10 points
The charge on a compound is always ____
A.positive
B.negative
C.neutral
Question 8
Multiple Choice
10 points
Nonpolar molecule
A.Elements with the same number of proton but different number of neutrons
B.Described an atom that has a full outer most energy level
C.Molecule that has a slightly positive and a slightly negative end
D.Molecule made of two identical atoms that share the electrons equally
Question 9
Multiple Choice
10 points
Which is hydrophilic substance among those below?
A.hydrocarbons
B.sodium chloride
C.vitamin A