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
lutik1710 [3]
1 year ago
12

5. Elements are different because they contain different numbers of protons.

Chemistry
1 answer:
erik [133]1 year ago
4 0

Answer:

True

Explanation:

The number of electrons are what determine an atom.

The number of electrons = number of protons

so the elements are different.

If the number of neutrons are different but the number of electrons and protons are same they are of the same element.

But here the number of protons are different so this is another element.

You might be interested in
Laney left a nail in water for two weeks, and the nail became rusted from sitting in the water.
Simora [160]
B) A chemical change because the nail reacts with water/oxygen to create rust (a type of oxide)
5 0
3 years ago
Which item is the weakest acid on the chart?
serious [3.7K]
ANSWER: Milk

Explanation: Take this chart from 1-6 are acids from 8-14 those are bases
Now bases are like cleaning products and stuff
While acids are like lemons and other stuff
If you look at milk level which is 6.5 It is an acid but its A lot closer to neutral Than Other acids

3 0
2 years ago
A 10​-liter ​[l] flask contains 1.4 moles​ [mol] of an ideal gas at a temperature of 20 degrees celsius ​[degrees​c]. What is th
Lynna [10]

The pressure in the flask is 3.4 atm.

<em>pV</em> = <em>nRT </em>

<em>T</em> = (20 + 273.15) K = 293.15 K

<em>p</em> = (<em>nRT</em>)/<em>V</em> = (1.4 mol × 0.082 06 L·atm·K⁻¹mol⁻¹ × 293.15 K)/10 L = 3.4 atm

4 0
2 years ago
Read 2 more answers
While mercury is very useful in barometers, mercury vapor is toxic. Given that mercury has a ΔHvap of 59.11 kJ/mol and its norma
padilas [110]

2.38×10^-3

Explanation:

from the question,the we calculate the latent heat of vaporization with the difference in temperature being put into consideration

8 0
2 years ago
What are the most persistent surface winds?
nikdorinn [45]

Easterlies are the most persistent surface winds.

6 0
2 years ago
Read 2 more answers
Other questions:
  • All mixtures can be separated by physical processes. true or false
    5·1 answer
  • The _______ are found on the right side of the arrow in a chemical reaction. A. reactants B. products C. subscripts D. coefficie
    7·2 answers
  • I need help with this
    8·1 answer
  • Fill in the coefficients that will balance the following reaction: a0NH4Cl + a1Ag3PO4 → a2AgCl + a3(NH4)3PO4
    7·2 answers
  • If a 250mL beaker weighs 13.473g and the same beaker plus 2.2 mL of water weighs 15.346g. How much does the 2.2 mL of water, alo
    5·1 answer
  • Lithium bromide is a(n) ___________.
    8·1 answer
  • Chlorophyll molecules ______.
    8·1 answer
  • Which statement is true about air temperature and humidity
    13·1 answer
  • The number of orbitals in each principle energy level (n) equals​
    12·1 answer
  • Calculate and round to the correct number of significant digits .
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!