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kirill115 [55]
3 years ago
13

The ___ is the short form that chemists use to identify an element

Chemistry
2 answers:
bonufazy [111]3 years ago
8 0

Answer:

Chemical Symbols

Explanation:

Im not positive on this one so dont rely on me lol

weeeeeb [17]3 years ago
7 0
“Element symbol” is the answer
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Co(g) effuses at a rate that is ______ times that of cl2(g) under the same conditions.
il63 [147K]

Answer is: the ratio of the effusion rate is 1.59 : 1.

1) rate of effusion of carbon monoxide gas = 1/√M(CO).  

rate of effusion of carbon monoxide gas = 1/√28.

rate of effusion of carbon monoxide gas = 0.189.  

2) rate of effusion of chlorine = 1/√M(Cl₂).  

rate of effusion of chlorine = 1/√70.9.  

rate of effusion of chlorine = 0.119.  

rate of effusion of carbon monoxide : rate of effusion of chlorine =

= 0.189 : 0.119 / ÷0.119.

rate of effusion of carbon monoxide : rate of effusion of chlorine = 1.59 : 1.

4 0
3 years ago
What is the difference between mass number and average atomic mass?
myrzilka [38]

Answer:

the answer is c. I think

Explanation:

4 0
3 years ago
PLEASE HELP! GIVING 22 POINTS!<br><br> PLEASE GIVE 2-3 SENTENCES!
levacccp [35]
1 --> Jaws
2 --> Four limbs

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3 0
3 years ago
List down the observations made by Rutherford during the gold foil experiment.
Travka [436]

Answer:

1) The volume occupied by an atom is composed of mainly empty space

2) Atoms have a very small, relatively dense, central nucleus that is positively charged

3) The region around the nucleus of an atom are orbited by negatively charged electrons in a the same fashion planets orbit around the Sun.

Explanation:

The selection of gold for the gold foil experiment was due to its ability to be rolled into extremely thin sheets such that it was expected for alpha particle to perforate or pass through the foil.

7 0
3 years ago
3. What is the meaning of coordination number?
ryzh [129]

Answer:

Explanation:

Its simple

This is the number of atoms, ions, or molecules that a central atom or ion holds as its nearest neighbours in a complex or coordination compound or in a crystal.

for example: Sodium chloride (NaCl) or table salt is an ionic compound. It means that each cation will have exactly one anion associated with it, which means the cation Na+ and the anion Cl− have the same number of coordinates.

It may be really confusing at first

I recommend you go online and watch tutorial  videos on the topic

4 0
3 years ago
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