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pochemuha
2 years ago
6

___________ are the building blocks for DNA and RNA

Chemistry
1 answer:
vampirchik [111]2 years ago
4 0

Answer:

the third one I think I'm not sure

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What is the general trend for electronegativity
Kruka [31]

Answer:

finna look it up

Explanation:

7 0
2 years ago
List the following bonds in order of increasing polarity (ionic character). Give the electronegativity values for each atom to j
barxatty [35]

Answer:

A = B < D < C

C - S

Cl - Cl

F ← H

Si → O

Explanation:

The polarity of a bond increases with the increase in the difference in electronegativity. The dipole moment is represented with an arrow pointing the more electronegative atom.

A: carbon-sulfur

C - S

ΔEN = |EN(C) - EN(S)| = |2.5 - 2.5| = 0

B: chlorine - chlorine

Cl - Cl

ΔEN = |EN(Cl) - EN(Cl)| = |3.0 - 3.0| = 0

C: fluorine – hydrogen

F ← H

ΔEN = |EN(F) - EN(H)| = |4.0 - 2.1| = 1.9

D: silicon - oxygen

Si → O

ΔEN = |EN(Si) - EN(O)| = |1.8 - 3.5| = 1.7

The order of increasing polarity is A = B < D < C.

4 0
3 years ago
Q2. The table gives the composition of three particles.
Kisachek [45]

Answer:

The proton and electrons are equal,

15protons and 15electrons

Explanation:

An atom is the smallest electrical neutral particle of an element so it means that every atom have same number of protons and electrons.

8 0
3 years ago
The functional group, -CHO, is characteristic of an:<br> ketone<br> aldehyde<br> organic acid
Brums [2.3K]

Answer: aldehyde

Explanation: aldehyde has functional group R—CHO

7 0
2 years ago
Which of the following is not an example of a science?
Cloud [144]
Geology is the science of Earth.

Ecology is the science of relationship between an organism and its environment.

Astronomy is the science of studying astronomical objects.

Whereas, Phrenology is the study of relating the size of human skull like its size, shapes e.t.c to his/her personality. So, its not a science as there is no scientific relationship between it.
6 0
3 years ago
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