Answer:
carbon atomic number:6
carbon protons:6
electrons:6
group: 14
carbon valance eletrons:4
oxygen number:8
oxygen protons: 8
group: 16
valanece:6
Potassium: 19
protons: 19
eletrons:19
valance: 1
group:1
Arsenic: 33
protons:33
eletrons:33
valance: 5
group: 15
Iodine: 53
53
53
Valence: 7
group: 17
Calcium: 20
20
20
group:2
valence:2
boron: 5
5
5
group: 13
valance: 3
neon 10
10
10
group:18
valance: 8
Explanation:
Interphase, prophase, metaphase, anaphase, telophase,
Hydrogen bonds is holding together the two strands of nucleic
<span>Covalent bonds hold the atoms and molecules together in each of the amino acid chains. Two complimentary chains are held together by hydrogen bonds to form a double-helix.</span>
DNA BASE PAIRS:
adenine & thymine
cytosine & guanine
those are the pairs that go together