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Verdich [7]
3 years ago
10

2. In which sentence is the term heat used correctly?

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

Answer:

c. The heat from the hot cup warms my hands

Anvisha [2.4K]3 years ago
4 0
Option C, as 1. heat doesn’t move from cold to hot, 2. objects don’t “store” heat, 3, objects don’t contain heat either.
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As a chlorine atom becomes a negative ion, the atom
garri49 [273]
For the answer to the question above , as a chlorine atom becomes a negative ion, the atom <span>gains an electron and its radius increases.
The answer is the first one among the given choices.
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1. Which out of the following elements has the lowest electronegativity: Lithium, Beryllium, Magnesium, Sodium
lidiya [134]
  1. The element Sodium (Na) has a low electronegativity of the following elements.
  2. The element Beryllium (Be) has the least metallic character.
  3. The element Sodium (Na) has the largest atom.

<u>Explanation:</u>

  • Sodium (Na) which is a delicate, shimmering white, profoundly responsive soluble base metal loses an electron to a chlorine iota since it has seven electrons in its valence shell.
  • It needs one more electron to turn into a steady molecule. It has the most reduced electronegativity of the given components.
  • Beryllium (Be) is a light, silver-gray, relatively soft metal that is strong but brittle has the least metallic character of the given elements.
  • Since from left to right in a period, Metallic character decreases while nonmetallic character increases from top to bottom.
  • Sodium(Na) is the largest atom among the given elements since Atomic size decreases across a period from left to right and increases from top to bottom.
6 0
4 years ago
In a chemical equation, the sum of the masses ______.
Readme [11.4K]
C. Of the products is equal to the reactants.

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5 0
3 years ago
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For acidic solutions, which element is added to balance half-reactions
mina [271]
For balancing acidic solutions, we would need to add H+ ions to the correct side of the equation to balance the total number of atoms and the overall charge.
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Siya saw two elements X and Y. Element X is shiny and hard, while element Y is dull and
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Answer:element x

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