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Yuri [45]
3 years ago
11

Electronegativities of the elements Be, Mg, Ca, and Sr follow a specific trend within their group. Based on this trend, the atom

s of which element will have the least attraction for an electron?
Be
Mg
Ca
Sr
Chemistry
2 answers:
Travka [436]3 years ago
7 0

Answer:

Sr

Explanation:

vodomira [7]3 years ago
6 0

Answer:

Sr

Explanation:

Electronegativity decreases down a group, therefor the one closer to the bottom will have the least attraction for an electron

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Question 11 point)
MrMuchimi

Answer:

<u><em>The correct option is C) the moon takes the same time to rotate and revolve.</em></u>

Explanation:

Scientific experiments have concluded that it takes approximately 23 days for the moon to rotate and also it takes the same duration for the moon to revolve around the Earth. Due to this consistency, the moon appears to be still.

<em>Such synchronization results in the same face of the moon to be directed towards the Earth. Hence, the same craters of the moon will be observed by the scientist every day.</em>

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Other options, like option D, is not correct because there will be craters on the other side of the moon too. But as we see the same side of the moon, hence we cannot see the craters present on the other side of the moon.

5 0
3 years ago
12. What is the mass number of an atom that has 4 protons, 4 electrons, and 5 neutrons?
NeTakaya

Answer:

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