Chemistry, 17.10.2020 23:01 restinpeicejahseh
The diagram below shows the structure of an certain atom. Charged particle Charged particle Neutral particle.
which statement below is true about the element represented by this diagram?
A. this is element is found in period 4 and group 2(A)
B. this element is found in period 2 and group 2 (A)
C. the element is found in period 9 and group 4(A)
D. th3 identity of this element can not be found by analyzing the diagram.
Answers: 1
Chemistry, 22.06.2019 02:10
When 225mg of anthracene, c14h10(s), was burned in a bomb calorimeter the temperature rose by 1.75k. calculate the calorimeter constant. by how much will the temperature rise when 125mg of phenol, c6h5oh(s), is burned in the calorimeter under the same conditions? (δch< (c14h10,s)=–7061 kj mol−1.)
Answers: 3
Chemistry, 23.06.2019 03:00
What do electromagnetic waves carry? how are they produced through which media can they move? where do they transfer energy? what do they not transfer? what do mechanical waves carry? how are they produced? through which media can they move? where do they transfer energy? what do they not transfer?
Answers: 1
Chemistry, 23.06.2019 03:30
In chemistry, the type of an atom (what element it is) is determined by: a) the number of protons it contains in its nucleus.b) the number of neutrons it contains in its nucleus.c) the number of protons it has in a cloud around the nucleus.d) the number of neutrons it has in a cloud around the nucleus.e) the number of electrons it exchanges with its neighbors.
Answers: 1
The diagram below shows the structure of an certain atom. Charged particle Charged particle Neutral...
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