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Sergeu [11.5K]
3 years ago
12

name seven elements that have names and symbols that do not start with the same letter (include the symbol after the name)

Chemistry
2 answers:
viktelen [127]3 years ago
5 0

Answer:

ok will do

Explanation:

Eduardwww [97]3 years ago
4 0

Answer:Sodium (Na – Natrium)

Potassium (K – Kalium)

Iron (Fe – Ferrum)

Copper (Cu – Cuprum)

Silver (Ag – Argentum)

Tin (Sn – Stannum)

Antimony (Sb – Stibium)

Tungsten (W – Wolfram)

Explanation:

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How do I do question number 2?
ale4655 [162]

Answer:

I cant help

Explanation:

4 0
2 years ago
Dana is trying to determine if an unknown sample is a pure substance or not. The sample has a cloudy white color, and it seems e
Firdavs [7]

Answer:

Dana filtered the sample and larger granules of the sample were left behind.

Explanation:

If a substance is pure, it will have a uniform composition throughout. It will not separate into particles of various sizes.

One of the characteristics of pure substances is that they are homogeneous. A mixture is definitely made up of particles of various sizes.

Since the particles was filtered and larger granules were left behind, the sample has been separated by a physical method (filtration). Only a mixture can be separated by physical methods. It is not a pure substance.

5 0
2 years ago
Name the following compound:
photoshop1234 [79]

Answer:

3-methylhexane

Explanation:

you start counting from the longest chain to determine the correct name

4 0
2 years ago
Read 2 more answers
An atom of argon has a radius rar = 88 pm and an average speed in the gas phase at 25°C of 172 m/s.
Rudik [331]

Answer:

1.2* 10³ rNe.

Explanation:

Given speed of neon=350 m/s

Un-certainity in speed= (0.01/100) *350 =0.035 m/s

As per heisenberg uncertainity principle

Δx*mΔv ≥\frac{h}{4\pi }

4π

h

..................(1)

mass of neon atom =\frac{20*10^{-3} }{6.22*10^{-23} } =3.35*10^{-26} kg

6.22∗10

−23

20∗10

−3

=3.35∗10

−26

kg

substituating the values in eq. (1)

Δx =4.49*10^{-8}10

−8

m

In terms of rNe i.e 38 pm= 38*10^{-12}10

−12

Δx=\frac{4.49*10^{-8} }{38*10^{-12} }

38∗10

−12

4.49∗10

−8

=0.118*10^{4}10

4

* (rNe)

=1.18*10³ rN

= 1.2* 10³ rNe.

Explanation:

This is the answer

7 0
2 years ago
The chemical formula for glucose (sugar) is C6H12O6. What are the individual numbers called in a chemical formula?
givi [52]

The individual numbers which are present in chemical formula is subscript.

<h3>What is chemical formula?</h3>

Chemical formula of any compound of chemistry consist more than one atoms in it and gives idea about the number of atoms present in that compound.

Given chemical formula of glucose is C₆H₁₂O₆.

In the given chemical formula of glucose, number which shows the amount of carbon, hydrogen and oxygen are known as subscripts.

Hence, individual number are subscript.

To know more about chemical formula, visit the below link:
brainly.com/question/1603500

#SPJ1

8 0
1 year ago
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