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marin [14]
3 years ago
12

Define isoelectronic

Chemistry
1 answer:
Pani-rosa [81]3 years ago
8 0

Answer: Isoelectronic means having the same numbers of electrons or the same electronic structure.

Explanation:

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Arranges the following molecules in order of increasing dipole moment: <br> H2O, H2S, H2Te, H2Se.
erastova [34]

Explanation:

Dipole moment is defined as the measurement of the separation of two opposite electrical charges.

H_{2}O is a bent shaped molecule with a dipole moment of 1.87.

H_{2}S is also a bent shaped molecule with a dipole moment of 1.10.

H_{2}Te is a also a bent shaped molecule and has a negligible dipole moment.

H_{2}Se has a dipole moment of 0.29.

Therefore, given molecules are arranged according to their increasing dipole moment as follows.

        H_{2}Te < H_{2}Se < H_{2}S < H_{2}O

7 0
4 years ago
Why elements are arranged according to atomic number rather than atomic mass in the periodic table
Rama09 [41]

Answer:

Mendeleev placed certain elements not in order of increasing atomic mass so that they could fit into the proper groups (similar elements have similar properties) of his periodic table.

Explanation:

4 0
3 years ago
Which of the following are considered physical properties of metals?
attashe74 [19]

a. malleable, flexible, and ductile

4 0
3 years ago
What particles make up most of the mass of an atom? What takes up most of the volume of an atom? Please help me with this. :) TH
aliina [53]
<span>What particles make up most of the mass of an atom? Protons and neutrons

</span><span>What takes up most of the volume of an atom? Electrons</span>
7 0
3 years ago
A sample of water is heated from 10.0 degrees Celcius to 15.0 degrees Celcius by the addition of 125 Joules of heat. What is the
geniusboy [140]

Answer:

125 = 5*4.186*m

m = 125 / 5*4.186 = 5.97g of water.

Explanation:

The water is increased by 5 degrees. This means that for every gram of water, it takes 5*4.186 J to increase the temperature by 5 degrees, aka 5*4.186 J/g

hope this help:)

6 0
3 years ago
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