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emmasim [6.3K]
4 years ago
8

In which grouping of the periodic table do the elements have simliar properties

Chemistry
2 answers:
WARRIOR [948]4 years ago
4 0
It will be both rows in columns

STatiana [176]4 years ago
3 0
I would have to say [c]

but it could also be [b]

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When a kettle is placed on the stove and water begins to boil, the hotter water at the bottom begins to rise and the cooler wate
melisa1 [442]
I think the correct answer from the choices listed above is option A. The fact that we know about the relationship between the hotter water and the cooler water would be that the <span> hotter water is less dense. Hope this answers the question. Have a nice day.</span>
3 0
3 years ago
Read 2 more answers
Can you guys help me fill out the table?
TEA [102]

Explanation:

Scientist                   Evidence                                 Model

Dalton                        Gases                       indivisible, solid and spheres

J.J Thomson          Deflected beam        Negative charges evenly scattered

                                                                  through positively charged mass of

                                                                  matter.

Rutherford     Deflection of alpha            atomic model

                       particles passing                

                       through the gold foil              

The emboldened words are the answer.

  • John Dalton proposed the first model of the atoms by his works on gases. He postulated the Dalton's law of partial pressure.
  • He suggested that gases are made of tiny particles called atoms.

  • J.J Thomson proposed the plum pudding model of the atom in which the charges are evenly scattered through the positively charged mass of matter.

  • The gold foil experiment by Rutherford brought the atomic model of the atoms in the front-light.
  • The model suggests a small positively charged center which the mass of the atom.
  • The outer space is occupied by the electrons.

Learn more:

Rutherford brainly.com/question/1859083

#learnwithBrainly

6 0
3 years ago
Studying and got stuck if someone can help me.
Lostsunrise [7]

Answer:

Ph level 0-7 is a acid

ph level 7-14 is base

bases turn paper blue

acids dissolve metal

acids contain hydrogen ions

Explanation:

I dont know the last one all I know that they become neutral when acids and bases are mixed.

3 0
3 years ago
A container holds 6. 4 moles of gas. Hydrogen gas makes up 25% of the total moles in the container. If the total pressure is 1.
ipn [44]

In a mixture of gases, the total pressure is equivalent to the aggregate of all the partial pressures of the single element of the gas.

It can be written as \rm P _{total} = P₁ + P₂ +  P₃ and so on.

The partial pressure will be:

Option A. 0. 31 atm

Pressure can be estimated by:

<u>PV = nRT</u>

\rm P_{total} = \dfrac{n _{total }RT}{ V}

\rm P_{total} = \dfrac{n _{H_{2}} + n _{\rm other \;gases}}{ V}

Where,

\rm nH_{2} = 25\% \times n_{Total}

And,

\begin{aligned}\rm P_{H_{2}} &= 25\% \times \rm P_{Total}\\\\& = 25\% \times 1.24 \;\rm atm\\\\& = 1.24 \rm \;atm \times 25 \end{aligned}

Solving finally we get,

\rm  P_{H_{2}} = 0.31 \;\rm atm

Therefore, 0.31 atm is the partial pressure of the hydrogen gas.

To learn more about partial pressure follow the link:

brainly.com/question/1471705

3 0
3 years ago
When lithium reacts with bromine to form the compound LiBr, each lithium atom:
yKpoI14uk [10]
(3) loses one electron and becomes positively charged 
Lithium has one valence electron and Bromine has seven. Therefore Lithium will give up its one to Bromine for both to have an octet 
5 0
3 years ago
Read 2 more answers
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