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The element sodium has an atomic number of 11 and an atomic mass of 23.1. To model an atom of Na, you would need:
5
Matter is created or destroyed.
Liquids
Nonmetal
meters
4 g/mL
Ionic
11 protons, 12 neutrons, and 11 electrons
Which type of chemical bond hold together the atoms in table salt, NaCl?
5
Matter is created or destroyed.
Liquids
Nonmetal
meters
4 g/mL
Ionic
11 protons, 12 neutrons, and 11 electrons
How many atoms are in the compound methane, CH4?
5
Matter is created or destroyed.
Liquids
Nonmetal
meters
4 g/mL
Ionic
11 protons, 12 neutrons, and 11 electrons
Which does NOT occur during a chemical reaction?
5
Matter is created or destroyed.
Liquids
Nonmetal
meters
4 g/mL
Ionic
11 protons, 12 neutrons, and 11 electrons
Which is a METRIC measurement unit of length?
5
Matter is created or destroyed.
Liquids
Nonmetal
meters
4 g/mL
Ionic
11 protons, 12 neutrons, and 11 electrons
Which medium-energy state of matter has a definite volume, but changing shape?
5
Matter is created or destroyed.
Liquids
Nonmetal
meters
4 g/mL
Ionic
11 protons, 12 neutrons, and 11 electrons
A mysterious substance is dull, brittle, and does not conduct heat or electricity. It is most likely a:
5
Matter is created or destroyed.
Liquids
Nonmetal
meters
4 g/mL
Ionic
11 protons, 12 neutrons, and 11 electrons
A rock has a mass of 20 grams and a volume of 5 milliliters. What is its DENSITY?
5
Matter is created or destroyed.
Liquids
Nonmetal
meters
4 g/mL
Ionic
11 protons, 12 neutrons, and 11 electrons
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