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zvonat [6]
3 years ago
13

1.State the relationship between the following properties:

Chemistry
1 answer:
Diano4ka-milaya [45]3 years ago
7 0

Answer:

bytbyufvguv vvg uggy yvgu vgu gyu7yng8ugng88yn

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Why do we need to use moles when we try to determine amounts of reactants and products in a reaction?.
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\huge\fbox{Answer ☘}

<em>Chemists use the mole unit to represent 6.022 × 10 23 things, whether the things are atoms of elements or molecules of compounds. This number, called Avogadro's number, is important because this number of atoms or molecules has the same mass in grams as one atom or molecule has in atomic mass units. </em>

hope helpful~

8 0
2 years ago
Millions of years ago in many different regions of the world, large-scale burials of organic matter were followed by the formati
kramer
The answer is A: Areas where the geologic process occurred now have major petroleum reserves
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Explain why boats can float when they are made out of material that is more dense than water? Your answer must include informati
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I need help to cause it asked me that questions
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2 years ago
Which statements are correct about silicon?
ki77a [65]

Answer:

A. Metalloid

E. Has similar properties as Ge

F. Belongs to Period 3​

Explanation:

Silicon is the 14th element on the periodic table. Its unit is SI. Its properties straddles between those of metals and non-metals and it is described as a non-metal.

It's atomic weight or mass number is 28u. It has an atomic number of 14 i.e in its neutral state, the number of protons and electrons are equal to 14.

Silicon belongs to the 4th group and the 3rd period on the periodic table. Elements in the same group share similar chemical properties. The elements in Si group are: C, Ge, Sn and Pb. The properties of Si is similar to these elements because they all have a valency of 4. Across the period, the properties varies this is why Si would have a very different property from Al and P.

4 0
3 years ago
Which part of feature is included in the hydrosphere?
katrin [286]

Answer:

C. glaciers

Explanation:

Glaciers are a part of the hydrosphere

The hydrosphere is the amount of water on the earth. It includes water in the different states found on the earth surface and within the subsurface. Water does exists as solids, liquids and in vapor form on earth.

  • Glacier is the solid form of water on the earth crust.
  • It is a significant part of the hydrosphere.
  • Most glaciers are found around the polar regions and high altitude zones on the earth.
  • It is an important source of fresh water for the ecosystem
7 0
2 years ago
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