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jasenka [17]
3 years ago
5

Two elements in the same period have the same number of _____ _____ in their electron clouds.

Chemistry
2 answers:
shutvik [7]3 years ago
3 0

Answer:

outer electrons

Explanation:

NikAS [45]3 years ago
3 0

Answer:

Energy levels

Explanation:

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Answer:

neutral

Explanation:

19+3=22

22 protons & 22 neutrons --> neutral net charge

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Which answer best describes the potential energy diagram for a reaction that takes place in water, if the temperature of the sur
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D. the potential energy of the reactants is low; the potential energy decreases gradually; then increases slightly.

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Give one example each for a binary compound and a ternary compound. (A ternary compound is one that contains three different ele
Sedbober [7]

Answer and Explanation:

BINARY COMPOUND: A binary compound is that compound which is made up of exactly two elements there are a lot binary compound present for example :H_2O, NaCl,NH_3,H_2S etc

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.Most otters are solitary. What is different about the Kaveri riverecosystem that allows them to exist in such large groups? I n
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Rich nutrients and warm waters.

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3 years ago
A) 3 and 4<br><br> b) 2 and 3<br><br> c) 1 and 2<br><br> d) 1 and 4
tatiyna
<h3>Answer:</h3>

d) 1 and 4

<h3>Explanation:</h3>
  • Elements are made up of particles known as atoms.
  • Atoms of the same element have the same properties as the element.
  • The atoms of an element may differ in terms of the number of neutrons and have a different mass number, such atoms are known as isotopes.
  • However, the isotopes have an equal number of protons or atomic number.
  • In this case, atom 1 has a mass number of 20 and an atomic number of 10 while atom 4 has a mass number of 21 and an atomic number of 21.
  • Therefore, atom 1 and 4 are isotopes of element E.

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3 years ago
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