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Elements cannot be broken down into __________.
Compounds or simpler substances.
A compound is formed by the combination of __________ atoms.
Two or more different.
Ionic compounds consist of one __________ and one __________.
Metal; non-metal.
The naming convention for an ionic compound involves the metal name plus the non-metal with the suffix __________.
-ide.
Covalent compounds are formed between __________.
Two non-metals.
The prefixes used for naming covalent compounds include mono, di, tri, tetra, penta, hexa, hepta, octa, nona, and __________.
Deca.
Polyatomic compounds contain __________.
A charged group of atoms.
Multivalent elements use __________ to indicate their charge.
Roman numerals.
Essential elements are those needed for an organism to live a healthy life and __________.
Reproduce.
Humans need __________ elements to survive.
Twenty-five
The four elements that make up 96% of living matter are oxygen, carbon, hydrogen, and __________.
Nitrogen.
Potassium is important because it allows nerves to respond to stimulation and helps muscles to __________.
Contract.
Trace elements are necessary in __________ quantities by certain species.
Small.
Water is described as __________ because it has polar covalent bonds.
Polar.
Hydrogen bonds can help water molecules to __________ together.
Stick.
Cohesion refers to molecules of pure substances being attracted to __________.
Themselves.
Adhesion is when molecules of two __________ substances are attracted to each other.
Different.
Electronegativity is a measure of an element's ability to __________ shared electrons.
Attract.
A dipole moment is caused by __________ of electrons due to an imbalance in electronegativity.
Unequal sharing.
Capillary action occurs when adhesion is __________ than cohesion.
Greater.
In the reaction for dehydration synthesis, glucose and galactose combine to form __________.
Lactose.
