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xz_007 [3.2K]
3 years ago
9

The high electrical conductivity of metals is primarily due to

Chemistry
1 answer:
zubka84 [21]3 years ago
7 0

High conductivity of metals is caused by electrons that are free to move through the lattice.

hope this helps!

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A covalent bond formed when 2 atoms share 6 valence electrons between them is a ______ bond
sleet_krkn [62]
COVALENT BOND IS THE BOND EXISTING BETWEEN 2 ATOMS THAT SHARE 6 ELECTRONS
5 0
3 years ago
Which of the following is an indicator of a chemical reaction?
yuradex [85]

Answer:

B

Explanation:

B is the best showing of a chemical reaction out of the choices

3 0
2 years ago
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Calculate the percent activity of the radioactive isotope strontium-89 remaining after 5 half-lives.
maria [59]
The answer to this question would be: 3.125%

Half-life is the time needed for a radioactive molecule to decay half of its mass. In this case, the strontium-89 is already gone past 5 half lives. Then, the percentage of the mass left after 5 half-lives should be:
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3 years ago
The least electronegative element from among the following is
Anettt [7]
The most appropriate answer is C !! Cs is most electropositive and thus least electronegative !!
8 0
3 years ago
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Solutions with low pH values have which of these properties?
telo118 [61]

Answer:

The correct option is C.

Solutions with low pH values have sour taste.

Explanation:

Low pH value show acidic property which can be define as , -log of conc. of hydrogen ion.

Acid has following properties

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  • Turn blue litmus into red
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-OH group: Base have OH groups. So it is not correct option so it not correct for low pH i.e. acid

turns litmus paper blue: Base turn red litmus into blue, so it not correct for low pH i.e. acid

feels slippery: Bases are mostly slippery like soap

tastes sour: Sour taste is for acid and bitter taste is for base. So it is correct option for acid

8 0
3 years ago
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