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Elements and Compounds

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Lorna O'Reilly

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Cards in this guide (20)
The formula for the compound formed between potassium and the chlorate ion is

kclo3

In a single replacement reaction which element must be most active

the single element (for A+)

The formula for lithium bromide is

The formula for lithium bromide is LiBr.

The charges in a compound should always add to

The charges in a compound should always add to zero.

The subscript of ammonium in a compound formed between ammonium and phosphate ion is

3

Correct formula for a compound formed between calcium and phosphate

CaF2 is calcium fluoride...

ANS2:Ca3(PO4)2
Choose the correct formula for aluminum chloride

The chemical formula for aluminum chloride is ALCL3. The number 3 is written below the line as a subscript.

Blowing carbon dioxide gas into a solution of magnesium oxide will form what product

Magnesium Carbonate

The subscript of potassium in a compound formed between potassium and sulfur is

2

Choose the element that is most active

Mg

Predict and choose the most correct products formed from the reaction between iron III oxide and potassium metal

3k20+2fe

Choose the correct formula for a compound between ammonium and chromate ions

(NH4)2CrO4

The white powder used to line baseball football and soccer fields is a product of the reaction between calcium oxide and water What is the formula of this familiar powder

Ca(OH)2

Pressure is used to increase the volume of gas

Pressure is used to increase the volume of gas in Boyle's law.

Angelo noticed his lab partner had incorrectly recorded the pressure of a gas in mmHg rather than in atmospheres as their teacher requested When he corrected the mistake Angelo recorded 751.5 mmHg

the answer is 0.99 :)

Predict the most likely products from the reaction between calcium carbonate and sodium metal

no reaction

Choose the law that matches this definition As the temperature on a gas increases the volume of the gas must also increase to maintain constant pressure

On the list of choices that you posted along with the question,

that law doesn't appear.

Chen-liu has a sample of chlorine in a 10.00ml container at 25.00 and 0.9840 ATM if the gas is compressed to a volume of 7.600ml the temperature will rise to 26.00c and the resulting preassure will b

The resulting pressure will be 1.298 atm.

Predict the product of this compound ZnO plus COea æ

ZnCo(little 2)

Which of these elements is not diatomic potassium chlorine iodine or hydrogen

Potassium Chloride is not diatomic. Although chloride is a diatomic molecule (BrINClHOF), the formula for Potassium Chloride is KCl not KCl2. Therefore, it is not diatomic.

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