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STatiana [176]
3 years ago
7

What is the difference between matter and non matter ?

Chemistry
2 answers:
insens350 [35]3 years ago
3 0

Answer:

Matter : Is any substance that has mass and volume and occupies space .

Matter is divided into three forms ;

  1. Solid
  2. Liquid
  3. Gas

Non- Matter is any substance that doesn't have mass and due to the fact that it doesn't have mass , it doesn't occupy any space but still exist.

Examples are

  1. The light from a torch
  2. The heat from a fire
  3. The sound of a police siren. and so on.

You cannot hold, taste, or smell these things because they are not matter they are forms of energy.

Explanation:

Doss [256]3 years ago
3 0

Answer:

Matter is anything that has mass and takes up space.

non-matter has no mass and doesn't fill a volume.

Therefore matter is way different than non-matter.

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Write the answer in scientific notation when you multiply 2 x 104 by 3 x 104.
emmasim [6.3K]

Answer:

6× 10⁸

Explanation:

We need to find the multiplication of 2 x 10⁴ by 3 x 10⁴.

2 x 10⁴ × 3 x 10⁴

= (3 × 2) x 10⁴ x 10⁴

= 6 x 10⁴ x 10⁴

= 6 × 10⁴⁺⁴

= 6× 10⁸

Hence, the required answer is 6× 10⁸.

7 0
3 years ago
an element has a metallic gray appearance. it also has the properties of both a metal and a nonmetal. in which section of the pe
irinina [24]
If it has properties of metal and non metal it is considered a metalloid there are very few spots in which metalloids are located the spots I circled on a blank periodic tables are where the metalloids are located on an actual periodic table your only options are
boron(B) silicon(si) germanium(Ge) arsenic(As)antimony(Sb)tellurium(Te)astatine(At)those are the only places on the periodic table that has metalloids... I hope this helps

6 0
3 years ago
I need the 3 questions !!! About Rubidium (Rb) <br><br> ASAP PLEASE DUE IN LIKE 20 min
hjlf

Answer:

  1. 419kJ/mol  
  2. 5,0,0,+12
  3. That catches fire spontaneously

Explanation:

1. Topic: Chemistry

ElementFirst Ionization Energy (kJ/mol) Lithium520Sodium496Rubidium403Cesium376According to the above table, which is most likely to be the first ionization energy for potassium?  

  • 536kJ/mol  
  • 504kJ/mol  
  • 419kJ/mol  
  • 391kJ/mol  
  • 358kJ/mol

2. Topic: Chemistry, Atom

The correct set of four quantum numbers for the valence electrons of the rubidium atom   (Z=37)  is:  

  • 5,1,1,+12  
  • 5,0,1,+12  
  • 5,0,0,+12
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3. Rubidium and cesium are pyrophoric. Here the term pyrophoric means:

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5 0
3 years ago
Which of the following shows the 3 main jobs of a cell?
skad [1K]
C is the answer hope this helps
8 0
2 years ago
Calculate number of moles of 4.4g of CO2 and 5.6L of NH3 . Pls help . Its urgent
kupik [55]
Moles of CO₂ = mass / molecular weight
Moles of CO₂ = 4.4 / (12 + 16 x 2)
Moles of CO₂ = 0.1 mol

Each mole of gas occupies 22.4 L at STP. Therefore,
Moles of NH₃ = 5.6 / 22.4
Moles of NH₃ = 0.25 mol
4 0
3 years ago
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