What is the formula for vandium oxide

Answers

Answer 1

Answer: V2O5 hope this helped!!!!

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Easy Questions! Chemistry - Please help! I give thanks

How to separate sugar and salt

Answers

Mix it in alcohol.
Sugar is soluble in alcohols but salt isn’t. You mix it in alcohol, filter the solution to get the salt. After that you evaporate the alcohol/sugar mixture and you’re left with the sugar.

Hope this helped xx

Compare and contrast quantitative and qualitative data.

Answers

quantitative data is based on the numbers in an observation. for example: there were 40 apples. qualitative data does not contain numbers. it is based off of straight facts and what you can see or touch

Answer:

qualitative data—deals with characteristics or qualities expressed in words; displayed in circle and bar graphs

quantitative data—deals with quantities expressed in numbers; displayed with circle, bar, and line graphs as well as histograms and scatterplots

Explanation:

What kind of ions do metals form

Answers

Answer: cations

Explanation:

Metals are defined as the elements which loose electrons to attain stable electronic configuration. If an atom looses electrons, it leads to the formation of positive ions known as cations.

For Example: Sodium looses 1 electron to form $Na^+$ ions.

Non-metals are defined as the elements which gain electrons to attain stable electronic configuration. If an atom gains electrons, it leads to the formation of negative ions known as anions.

For Example: Fluorine gains 1 electron to form $F^-$ ions.

Answer:

cations

Explanation:

metals are made of postively charged ions

. Which type of energy is involved in the operation of simple machines?

Answers

input an output energy

What is mostly commonly found element in the Earth's crust??

Answers

Answer:

The most commonly found element in the earth's crust is Oxygen.

Explanation:

The atomic umber of Oxygen is 8.The electronic configuration of oxygen is 2,6.It belongs to the chalcogen family in the periodic table.It is a strong oxidizing agent and highly reactive non-metal.The amount of oxygen present in the earth's crust is 46.6%.The oxygen exists in two forms ,they are $O_{2$ (oxygen) and $O_(3)$ (ozone).The major compound of it exists in the form of silicate minerals where it combines with other minerals.It also exists i the compound as carbonates and phosphates. Oxygen with acetylene is used to cut and weld the metals.In the medical field,Oxygen is used to ease the respiratory disease and it is also used to manufacture the the explosives.

Answer:

water/h20

Explanation:

the earth is mostly contained of water

What is the zero point 0,K on the kelvin scale called?

Answers

By international agreement, absolute zero is defined as precisely; 0 K on the Kelvin scale, which is a thermodynamic (absolute) temperature scale; and –273.15 degrees Celsius on the Celsius scale.

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