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Phoenix [80]
3 years ago
14

Help plzzzzzzzzzzzzzzzzzz

Chemistry
1 answer:
alexgriva [62]3 years ago
7 0

Answer:

1.c

2.e

3.a

4.b

5.d

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4. Why do elements in the same family generally have similar properties?
snow_tiger [21]
Because they have the same number of electrons in the outer shell, they have the same reactivity (they all want to lose/gain a certain amount of electrons to have a full shell of 8), so they have the similar melting, boiling points etc because they all undergo very similar reactions to certain factors so have similar outcomes
7 0
4 years ago
What is the daughter nucleus produced when zn63 undergoes electron capture? replace each question mark with the appropriate inte
GarryVolchara [31]

The daughter nucleus that is produced is ₂₉⁶³cu.

What is Electron capture?

The process of drawing an electron to the nucleus, where it combines with a proton to create a neutron and a neutrino particle, is known as electron capture.

The daughter nucleus is the nucleus that is made by the parent nucleus. The nucleus that remains after the decay is called the daughter nucleus.

Here is the chemical formula for the reaction that results in the electron capture of the zinc-63 nucleus:

_A^ZX + e^- =  _A^Z_-_1 Y + ye

_3_0^6^3Zn\; + e^- = _2_9^6^3Cu + ye

Thus, the daughter nucleus produced when zn63 undergoes electron capture is _2_9^6^3Cu.

To learn more about Electron capture, refer to the below link:

brainly.com/question/10964824

#SPJ4

4 0
2 years ago
List three evidences of physical and chemical change. ( If you know only one or two please write them anyways please)
LenaWriter [7]
Physical: ripping paper, braking a stick, cake batter mixing

Chemical: burning paper, spoiled milk, a penny turning green
3 0
4 years ago
Please help me with this chemistry question. Image attached.
Leya [2.2K]

Answer:

Moles of zinc chloride produced are 0.09942 moles.

Explanation:

Zn+2HCl\rightarrow ZnCl_2+H_2

Mass of zinc used = 6.5 g

Moles of zinc =\frac{6.5 g}{65.38 g/mol}=0.09942 mol

According to reaction, 1 mol of zinc gives 1 mole of zinc chloride,then 0.09942 moles of zinc will give :

\frac{1}{1}\times 0.09942 =0.09942 mol of zinc chloride

Moles of zinc chloride produced are 0.09942 moles.

3 0
3 years ago
1.5L of water is boiled to steam at a temperature of 100 degrees Celsius and creates 3.5atm of pressure on the container. How ma
Lyrx [107]
I did for you hope you the best

5 0
3 years ago
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