Chemistry, 04.11.2020 20:20 ohartshorn1599
What are the physical properties we use to classify metals, nonmetals, and metalloids? *
1) physical state, hardness, and mass
2) explosive, corrosive, and reactive
3) luster, conductivity, and malleability
4) reactivity, smell, and density
Answers: 3
Chemistry, 22.06.2019 10:30
Which describes fat? a: a carbohydrate that produces energy b: a nucleic acid that directs cell function c: a lipid that stores energy d: a protein that speeds up a chemical reaction
Answers: 1
Chemistry, 22.06.2019 16:50
What is conserved in the reaction shown below? h2(g) + cl2 (g) --> 2hcl(g)a. mass onlyb. mass and moles onlyc. mass, moles, and molecules onlyd. mass, moles, molecules, and volume
Answers: 2
Chemistry, 22.06.2019 17:30
Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)
Answers: 2
What are the physical properties we use to classify metals, nonmetals, and metalloids? *
1) physica...
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