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2 years ago

How do ions in metals behave. There is picture pls help.

Chemistry

1 answer:

sveticcg [70]2 years ago

7 0

Answer:

metal atoms lose electrons to form positive ions (cations ) non-metal atoms gain electrons to form negative ions (anions )

i agree with this answer from the person above me: Augustlonley

Explanation:

*throws leaves in his face* Hey you wake up!!

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What is the pH of a solution with a concentration of 5.2 x 10-8

BartSMP [9]

Answer:

7.28

Explanation:

-log(5.2x10^-8) = 7.28

- Hope that helped! Please let me know if you need further explanation.

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2 years ago

A 3.4 g sample of sodium hydrogen carbonate is added to a solution of acetic acid weighing 10.9 g. The two substances react, rel

natima [27]

Answer: 2.7 grams

Explanation:

According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.

$NaHCO_3(aq)+CH_3COOH(aq)\rightarrow CH_3COONa(aq)+H_2O(l)+CO_2(g)$

Given: mass of sodium hydrogen carbonate = 3.4 g

mass of acetic acid = 10.9 g

Mass of reactants = mass of sodium hydrogen carbonate+ mass of acetic acid = 3.4 + 10.9= 14.3 g

Mass of reactants = Mass of products in reaction vessel + mass of carbon dioxide (as it escapes)

Mass of carbon dioxide = 14.3 - 11.6 =2.7 g

Thus the mass of carbon dioxide released during the reaction is 2.7 grams.

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2 years ago

4. Which type of bond will form between a calcium atom and a sulfur atom?

FromTheMoon [43]

Answer:ionic

Explanation: ionic bond formation

In the ionic bond formation between calcium and sulfur, a calcium atom donates two valence electrons to a sulfur atom to form a Ca2+ ion and an S2+ ⁻ ion.

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2 years ago

An advertising sign gives off red and green light. a. Which light has higher energy? b. One of the colors has a wavelength of 68

alekssr [168]

A would be right sorry if wrong

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2 years ago

The number of ions produced when a substance dissolves is always equal to the number of Adams in a chemical formula. What is inc

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2 years ago