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Natasha_Volkova [10]
3 years ago
10

What does the first word in the name of a binary ionic compound represent?

Chemistry
2 answers:
Sauron [17]3 years ago
6 0

Answer : The correct option is, The positive ion

Explanation :

The rules for naming the ionic compounds is given as :

  • The positive ion (cation) is written first.
  • The negative ion (anion) is written next.
  • The suffix is added at the end of the negative ion (anion). The suffix used is '-ide'.

As per question, the first word in the name of a binary ionic compound represent the positive ion and then the negative ion.

For example : NaCl is the binary ionic compound that composed of two different elements which are Na and Cl. The name of this compound is, Sodium chloride.

Hence, the correct option is, The positive ion

Otrada [13]3 years ago
4 0

Answer:

The positive ion

Explanation:

Took the test and got it correct.

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Pls help, How is stoichiometry used to calculate amounts of substances in a chemical reaction?
Elden [556K]

Answer:

Thus, to calculate the stoichiometry by mass, the number of molecules required for each reactant is expressed in moles and multiplied by the molar mass of each to give the mass of each reactant per mole of reaction. The mass ratios can be calculated by dividing each by the total in the whole reaction.

Explanation: Stoichiometry is the field of chemistry that is concerned with the relative quantities of reactants and products in chemical reactions. For any balanced chemical reaction, whole numbers (coefficients) are used to show the quantities (generally in moles ) of both the reactants and products.

7 0
2 years ago
How many Mg atoms are present in 170g of Mg
PIT_PIT [208]
In order to calculate the number of atoms, we must first know the number of moles present. And
moles = (mass present) / (molecular mass)
Therefore, the moles of Mg present are
170 / 24 = 7.08
The number of atoms in a mole of substance is given by Avagadro's Number which is 6.02 x 10^23
Since there are 7.08 moles, there are:
7.08 * 6.02*10^23
= 4.26 * 10^24 atoms
8 0
2 years ago
PLEASE HELP DUE IN EXACTLY 15 mins!! i will give you branliest
Deffense [45]

2032533 \sq22222rt[2]{?}

4 0
2 years ago
Given the different molecular weights, dipole moments, and molecular shapes, why are their molar volumes nearly the same?
Marina CMI [18]

Answer:

option d

Explanation:

Molecular sizes of gaseous molecules are very less. Volume occupied by the all the molecules of the gases are very less or negligible as compared to the container in which it is kept. Therefore, most of the volume occupied by gaseous molecules are negligible.

Volume occupied by the gaseous molecules are actually the volume of the container and its does not depend upon the amount, molecular mass or dipole moment of the gaseous molecules.

Therefore, the correct option is d ‘Because most of the volume occupied by the substance is empty space.’

8 0
3 years ago
Which of these reactions successfully models a nuclear fission reaction?
user100 [1]

Answer:

OPTION B

Explanation:

Nuclear "fission" is the breakdown of the nucleus of a radioactive element into two or more nuclei accompanied by the release of energy. I guess that pretty much explains it.

3 0
2 years ago
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