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hammer [34]
2 years ago
5

Elements in the same __ have similar physical properties

Chemistry
2 answers:
anygoal [31]2 years ago
8 0
I’m pretty sure row is correct...if not sorry :/
Yakvenalex [24]2 years ago
7 0

Answer:

yes.row is a answer.I think so.

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4 main parts of a flower Include the function of each pls help me
ZanzabumX [31]

Answer:

  • Calyx or sepals
  • Corolla
  • Androecium
  • Gynoecium

6 0
3 years ago
Ammonia can be made by reaction of water with magnesium nitride as shown by the following unbalanced equation: Mg3N2(s) + H2O(l)
Galina-37 [17]
The link above is a scam
5 0
3 years ago
What is the most common of all compounds are composed of molecules whose atoms are arranged in a straight chain, a branched chai
Gemiola [76]
<span>Sugar's carbon molecules can be arranged in a straight chain, a branched chain, or a ring.</span>
3 0
3 years ago
How does an atom become a positively charged ion
sladkih [1.3K]
When, it donates electons.

as for example take
NaCl ( sodium chloride)

it's an ionic compund,
that means it is formed by donating or gaining electrons

Na is writen first than, it must be electropositive i.e it has donated electons which made it positive and the clorine gains electron so it's electronegative.

Na is positive because
as we know it's atomic number is 11 that means it has 11 protons and 11 electrons
now, when it donate electon it has, greater number of protons whose change is +ve so the atom becomes overall positively charged ion or cation.

and something same happens in clorine and because it gains one electron and the number of electrons increase in it by 1 whise charge is -ve so, the atom becomes negatively charged ion or anion which has a -1 charge.
3 0
3 years ago
If 1.20 moles of an ideal gas occupy a volume of 18.2 l at a pressure of 1.80 atm, what is the temperature of the gas, in degree
scoundrel [369]

We can calculate for temperature by assuming the equation for ideal gas law:

P V = n R T

Where,

P = pressure = 1.80 atm

V = volume = 18.2 L

n = number of moles = 1.20 moles

R = gas constant = 0.08205746 L atm / mol K

Substituting to the given equation:

T = P V / n R

T = (1.8 atm * 18.2 L) / (1.2 moles * 0.08205746 L atm / mol K)

T = 332.70 K

We can convert K unit to ˚C unit by subtracting 273.15 to Kelvin, therefore

T = 59.55 ˚<span>C</span>

6 0
3 years ago
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