composed of two or more elements
Chemistry, 30.01.2020 09:05 iilovejohnccena1022
Which of the following best describes an atom?
composed of two or more elements
collections of oxygen and hydrogen
the center of a cell that contains dna
the smallest unit of matter
Answers: 2
Chemistry, 22.06.2019 14:50
Consider the following multistep reaction: a bβab(slow) a abβa2b(fast)βββββββββββββββββ 2a bβa2b(overall) based on this mechanism, determine the rate law for the overall reaction. express your answer in standard masteringchemistry format. for example, if the rate law is k[a]3[b]2 type k*[a]^3*[b]^2
Answers: 3
Chemistry, 22.06.2019 18:50
Asample of tin (ii) chloride has a mass of 0.49 g. after heating, it has a mass of 0.41 g. what is the percent by mass of water in the hydrate? %
Answers: 1
Chemistry, 22.06.2019 18:50
Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.
Answers: 1
Chemistry, 22.06.2019 18:50
Which of the following is a conclusion that resulted from ernest rutherfordβs scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space
Answers: 3
Which of the following best describes an atom?
composed of two or more elements
composed of two or more elements
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