1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
xxTIMURxx [149]
3 years ago
13

A vertical column within the periodic table represents a family or ___

Chemistry
2 answers:
LekaFEV [45]3 years ago
8 0

The answer would be a Group.

UNO [17]3 years ago
3 0

Explanation:

Elements present in vertical columns of a periodic table represent a group or a family.

For example, elements of group 2 are beryllium, magnesium, calcium, strontium, barium, and radium.

Elements of a group have same number of valence electrons due to which they show same chemical properties.

Whereas elements present in a horizontal line depicts period in a periodic table.

For example, lithium, beryllium, boron and carbon they all belong to period 2 of the periodic table.

Hence, we can conclude that a vertical column within the periodic table represents a family or group.

You might be interested in
What will happen when the rates of evaporation and condensation are equal​
Ilia_Sergeevich [38]
A random person put the answer for you
6 0
3 years ago
The rate of effusion of oxygen to an unknown gas is 0.935. what is the other gas?
Kamila [148]

Answer:

N2

Explanation:

Rate of effusion is defined by Graham's Law:  

(Rate 1/Rate 2) = (sqrt (M2)/ sqrt (M1))

(Where M is the molar mass of each substance. )

Molar Mass of oxygen, O2, is 32 (M1).

Rate of effusion of O2 to an unknown gas is .935(Rate 1).  

Rate 2 is unknown so put 1.

Solve for x (M2).

.935/1 = sqrt x/ sqrt32

.935 x sqrt 32 = sqrt x

5.29 = sq rt x

5.29^2 = 27.975 = 28  

N2 has a molar mass of 28 so it is the correct gas.

4 0
3 years ago
What causes some aqueous solutions to have a low PH?
noname [10]
<span> Low pH means the solution is acidic; if the solution is acidic, that means that there are hydronium ions in solution (H3O+). For example, hydrochloric acid dissolves into H+ ions and Cl- ions, and the H+ ions rreact with water like this:
H+ + H2O --> H3O+

If you want to get mathematical, pH is defined as the negative log of the concentration of hydronium ions.
Thus, if there are a lot of hydronium ions, the solution will have a low, or acidic, pH.  Hope this helps^-^</span>
5 0
3 years ago
A newly discovered element, Z, has two naturally occurring isotopes. 90.3 percent of the sample is an isotope with a mass of 267
blsea [12.9K]
atomic mass=percentage of isotope a * mass of  isotope a + percentage of isotope b * mass of  isotope b+...+percentage of isotope n * mass of isotope n.

Data:
mass of isotope₁=267.8 u
percentage of isotope₁=90.3%

mass of isotope₂=270.9 u
percentage of isotope₂=9.7%

Therefore:

atomic mass=(0.903)(267.8 u)+(0.097)(270.9 u)=
=241.8234 u + 26.2773 u≈268.1 u

Answer: the mass atomic of this element would be 268.1 u
7 0
3 years ago
5. Water, wind, ice, and gravity are important agents of ___ which is a destructive force​
Julli [10]
I agree with the statement that the other person has made
6 0
2 years ago
Other questions:
  • A rock weighing 2 newtons was lifted 3 meters. how much work was done
    6·1 answer
  • A little boy is playing with a plastic water bottle. He blows air into the bottle to make a whistling sound. Then, he wedges a p
    15·1 answer
  • If an 900.0 g sample of radium-226 decays to 225.0 g of radium-226 remaining in 3,200 years, what is the half-life of radium-226
    15·1 answer
  • Within the rock cycle, a metamorphic rock could become an igneous rock by going through which steps and in what order?
    14·2 answers
  • A 58.5 g sample of glass is put into a calorimeter (see sketch at right) that contains 250.0 g of water. The glass sample starts
    10·2 answers
  • Determine the concentration of an aqueous solution that has an osmotic pressure of 3.9 atm at 37°C if the solute is sodium chlor
    9·1 answer
  • When one continental plate slides beneath another
    12·1 answer
  • A gas has a volume of 50.0 cm3 at a temperature of -73°c. what volume would the gas occupy at a temperature of -123°c if the pre
    7·1 answer
  • How many protons electrons and neutrons are present in the following atoms​
    7·2 answers
  • What involves a metal and nonmetal ionic or covalent bond
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!