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Chemistry
The main function of the excretory system is to eliminate _______ from the body.
When pollution or harmful substances get into an environment what is it called
Chlorine has seven electrons in its valence shell. It accepts an electron to complete its octet and becomes a chlorine ion (Cl-). What is the nature of this chlorine ion? a. Cation b. Anion c. Metal ion
A charged particle is known as a(n) ______.
Which of these terms might refer to a chemical compound: iron fluoride, helium, or neon?
Physical properties are: a. those that a substance displays without changing its composition. b. those that cause atoms and molecules to change. c. identical for all solid matter. d. those that a substance displays only through changing its composition. e. none of the above
HELP PLEASE!!!!!!!!! What if you started with 100 grams of wood and only have 95 grams of ashes produced, is mass still conserved? If so where is the missing 5 grams?
what is the relative mass of an electron
Which of the following is a unit of volume in the English system of measurement? A. Meters B. Gallons C.liters per cubic gram D. Kilograms per cubic centimeter
How many genders are there? A. 2 B. 3 C. 7
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