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Naddik [55]
3 years ago
7

From his experiments, J. J. Thomson concluded that

Chemistry
2 answers:
In-s [12.5K]3 years ago
7 0
<span>atoms contain small negatively charged particles that are called electrons.</span>
sergiy2304 [10]3 years ago
6 0
Answer: option D. Atoms containd small negatively charged particles that are called electrons.

JJ Thompson carried out three important experiments with cathode rays. With them he proveed that cathode rays were negative charged particles and that the ratio charge/mass was so large that the particles either had a huge charge or had a very small mass, and he came up with the latter, defining that these negative charged particle were very small.
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Elements in a group have the same number of valence electrons and the same ____
frozen [14]
The elements in each group have the same number of electrons in the outer orbital<span>. Those </span>outer<span> electrons are also called valence electrons. They are the electrons involved in chemical bonds with other elements. Every element in the first column (group one) has one electron in its </span>outer<span> shell.</span>
5 0
3 years ago
How many unpaired electrons are there in <br> Cu1+ ion
goldfiish [28.3K]
If electrons are negative, losing an electron makes the ion positive.
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8 0
4 years ago
The answer is 51 ml but can someone explain why please
makvit [3.9K]

Answer:

Ok so I dont have a paper on me, but to solve this, first you need to know, 1 ml is 1 cubic centimeter, okay so we need to find the volume, which is 4/3 times pie times r cubed, the answer to this equation will then bet 51 cubic centimeters which directly translate to 51 ml pushed out of the full cup

6 0
3 years ago
Read 2 more answers
Grams needed to prepare the solution
erastovalidia [21]

Answer:

grams of solute = 31.5 g

Explanation:

Given data:

Grams of solute = ?

%m/v  = 3%

Volume = 1050 mL

Solution:

grams of solute = 3 g of NH₄Cl / 100 mL × 1050 mL

grams of solute = 0.03 g × 1050  

grams of solute = 31.5 g

8 0
3 years ago
Assume that consumer spending increased by $4 billion while unsold business production aimed at consumers increased by $6 billio
Natali5045456 [20]

Answer:

The correct option is;

B. Increase by $4 billion

Explanation:

In Gross Domestic Product, (GDP) calculation based on the spending or expenditure approach, the spending components of the countries different economic groups are calculated

The formula for the GDP can be expressed as follows;

GDP = C + G + I + NX

Where;

C = Consumer spending or private sector consumption

G = Spending by the government

I = Economic investment

NX = Net export of goods by the economy.

5 0
4 years ago
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