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Angelina_Jolie [31]
3 years ago
15

A popular kitchen appliance

Chemistry
1 answer:
Elenna [48]3 years ago
6 0
Toaster, microwave, coffee makers
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The electron configurations of two unknown elements x and y are shown. X: 1s2 2s2 2p6 Y: 1s2 2s2 2p6 3s2 3p6 Which statement is
SVETLANKA909090 [29]

Answer:

B) They will react because X and Y can share two pairs of electrons to become stable

Explanation:

The electron configurations of two elements x and y are given :

X: 1s2 2s2 2p6

Y: 1s2 2s2 2p6 3s2 3p6

The statement that is true for both the elements is that, they both will react as they both can share two pairs of electrons to become stable.

To become stable the outermost shell or p orbital should have 8 electrons, so element X  can gain 2 atoms to become stable.

Element Y can also react as it can also share two atoms to fulfill its 3p orbital and will stable.

Hence, the correct option is "B".

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3 years ago
Which compound has the the highest melting point?
Kobotan [32]
The answer is
Al2(co3)3
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At a soccer game, a player kicks the ball. It leaves the ground as it travels across the field. Then, it comes back to the groun
otez555 [7]

Answer:

B

Explanation:

the gravitational force is a big play.

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2 years ago
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When 1 mole of CO(g) reacts with H2O(l) to form CO2(g) and H2(g) according to the following equation, 2.80 kJ of energy are abso
Inga [223]
Answer: Endothermic, 2.80 kJ

Explanation

Since this reaction absorbs heat, it is endothermic.

The energy absorbed per mole CO is 2.80 kJ and this reaction is already balanced. q= 2.80 kJ

Hope this helps:)
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IM JUST GIVING AWAY POINTS!!!!!!
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2.5128e10 is the answer
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