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motikmotik
3 years ago
14

Equilateral triangle What’s the answer

Chemistry
2 answers:
lianna [129]3 years ago
6 0

Answer:

Explanation:

3 sides are the same

sesenic [268]3 years ago
3 0
No answer choice??!????????????
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Hund's rule states that electrons must spread out within a given subshell before they can pair
Temka [501]

Answer:

Groups 14, 15, and 16 have 2,3, and 4 electrons in the p sublevel (p sublevel has 3 "spaces" AKA orbitals), because Hunds says one in each orbital before doubling up if you had 2 electrons, group 14, they would both be in the first orbital, with 3 electrons, group 15, two in the first orbital one in the 2nd none in the 3rd. With 4 electrons, group 16, then you would have 2 in the first 2 orbitals and NONE in the 3rd.

Explanation:

If you are in group 13 you only have 1 electron so it can only be in one orbital. with group 17, you have 5 electrons, so 2 in the first 2 in the second and 1 in the 3rd, correct for Hunds rule anyway. Noble gasses, group 18, have 6 elecctrons, so every orbital is full any way you look at it.

6 0
2 years ago
What is the total enthalpy change for the reaction? Is the reaction exothermic or endothermic?
Nuetrik [128]

Answer: S8(s) + 8O2(g) → 8SO2(g) ΔH = -2368 kJ a.

8 0
3 years ago
Antifreeze is mixed with water in a car's cooling system because the solution what?
Nikolay [14]
Antifreeze is an additive in water-based liquid to lower down the freezing point of such liquid. It is used to make use of the colligative properties of solutions specifically freezing-point depression for cold climate and boiling-point elevation to allow higher coolant temperature.
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3 years ago
Which of these atoms are electrically neutral?
Xelga [282]

Atoms are electrically neutral because they contain equal quantities of positively charged protons and negatively charged electrons. Electrons and protons have equal but opposite charges, so the result is no net charge. Ions are atoms that have gained or lost electrons.

4 0
3 years ago
Read 2 more answers
ID:<br> 16. A mineral is always a(n)<br> because it has a definite volume and shape.
Annette [7]

Answer:

Solid

Explanation:

3 0
3 years ago
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