Chemistry, 24.02.2021 18:20 Yungnaudie
Video Follow-Up Questions
Matching: Match the terms in column A with the definitions in column B.
Column A
1. molecule
2. nucleus
3. atomic number
4. mass number
5. isotopes
6. electron
7. neutron
8. proton F
9. atom
10. element
Column B
A. Substance made of only one kind of atom.
B. The total of protons and neutrons in an atom,
C. The center of an atom.
D. A group of atoms bound to each other,
E. The total of protons in a nucleus, y
F. Particle with a positive charge.
G. Particle with no charge,
H. Particle with a negative charge.
1. Atoms with the same number of protons but different numbers of neutrons.
J. Smallest particle of an element.
Answers: 1
Chemistry, 22.06.2019 12:00
What term is applied to a scientist who studies ancient life, including animal and plant fossils a. anthropologist b. dendroclimatologist c. geophysicist d. paleontologist
Answers: 2
Chemistry, 23.06.2019 01:30
Astudent states that 9.0 g of baking soda will form an unsaturated solution in 100 g of water. what do you need to know to decide whether this statement is correct? a. the temperature of the water and the molar mass of baking soda b. the percent by volume of the solution and the solubility of baking soda c. the temperature of the water and the solubility of baking soda at that temperature
Answers: 1
Video Follow-Up Questions
Matching: Match the terms in column A with the definitions in column B.
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