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Tom [10]
3 years ago
15

What causes element name to change

Chemistry
2 answers:
Inessa05 [86]3 years ago
5 0
What kind of element are you talking about

amm18123 years ago
4 0
For example, iron plus oxygen can become ferric oxide. Both elements change their names. The change is used to indicate the kind of bonding process that is taking place. When iron and oxygen become ferric oxide, the iron has lost electrons and the oxygen has gained the electrons that iron lost. <span>

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avanturin [10]
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3 years ago
The number of mole of a molecule is defined as its mass per molar mass. Using # mol = n, mass = m and molar mass = M and given t
Citrus2011 [14]
Given:
n = 0.0021 mol
M = 44 gram/mol

Required: m or the mass of the molecule

Solution:

M = m/n

Rearranging the expression,

m = M x n
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m = 0.0924 grams

M is the molar mass. This value is very useful in chemistry calculations especially in calculating the amounts of reactants and products for a chemical reaction.
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3 years ago
Which statement best describes the properties of covalent compounds?
AnnyKZ [126]
Covalent network. <span>A solid that is extremely hard, that has a very high melting point, and that will not conduct electricity either as a solid or when molten is held together by a continuous three-dimensional network of covalent bonds. Examples include diamond, quartz (SiO </span><span>2 </span>), and silicon carbide (SiC). The electrons are constrained in pairs to a region on a line between the centers of pairs of atoms.<span>


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4 0
3 years ago
If an atom has 34 electrons, 46 neutrons, and 34 protons, what is its mass number? what is the name of the element?
OleMash [197]
Mass number = protons + neutrons = 34+46 =80

the element with an atomic number of 34 and mass number of 80 is selenium
7 0
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3) A standard mass of 250.0 g was placed on a balance. The balance said it had a mass of 243.9
Roman55 [17]

Answer:

20

Explanation:

8 0
3 years ago
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