A. True
Chemistry, 25.11.2020 20:20 Clayton2847
PERIODIC TABLE TEST WILL GIVE BRAINLIEST!
Helium is a gas found in the earth.
A. True
B. False
Neon is a gas from the earth. *
A. True
B. False
Elements are pure substances. *
A. True
B. False
Families/Groups on The Periodic Table go in this direction. *
A. vertical
B. horizontal
Rows which are called run horizontal on The Periodic Table. *
A. pecans
B. periods
C. perfect
Click all that apply. Matter is found in . *
A. clothing
B. humans
C. plants
D. cars
The worlds most accurate clock is a . *
A. Timex
B. Rolex
C. Atomic
Humans are made of 99% elements. *
A. True
B. False
A grain of sand is the same size as one atom. *
A. true
B. false
The Periodic Table has elements. *
A.112
B.116
C.96
Answers: 1
Chemistry, 22.06.2019 10:00
In a water molecule, hydrogen and oxygen are held together by a(an) bond. a) double covalent b) ionic c) nonpolar covalent d) hydrogen e) polar covalent
Answers: 1
Chemistry, 22.06.2019 21:50
Liquid from a brewery fermentation contains 10% ethanol and 90% water. part of the fermentation product (50,000 kg/h) is pumped to a distillation column on the factory site. under current operating conditions, a distillate of 45% ethanol and 55% water is produced from the top of the column at a rate of one-tenth that of the feed. what is the composition of the waste "bottoms" from the still?
Answers: 2
Chemistry, 23.06.2019 01:40
Calcium carbonate decomposes at high temperatures to give calcium oxide and carbon dioxide as shown below. caco3(s) cao(s) + co2(g) the kp for this reaction is 1.16 at 800°c. a 5.00 l vessel containing 10.0 g of caco3(s) was evacuated to remove the air, sealed, and then heated to 800°c. ignoring the volume occupied by the solid, what will be the mass of the solid in the vessel once equilibrium is reached?
Answers: 1
Chemistry, 23.06.2019 07:00
Introduction of drugs into the gastrointestinal tract is a form of administration. a. enteral b. topical c. parenteral d. inhalation
Answers: 1
PERIODIC TABLE TEST WILL GIVE BRAINLIEST!
Helium is a gas found in the earth.
A. True
A. True
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