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
Alex17521 [72]
2 years ago
13

Hello <3 I just need some help with periodic table of elements.

Chemistry
2 answers:
garik1379 [7]2 years ago
8 0

Answer:

11

Explanation:

An atomic number of 11 means this atom will have 11 protons. A mass number of 23 means 23 - 11 this atom will have 12 neutrons. Since this atom is neutral the positive protons must be equal to the negative electrons. This atom will have 11 electrons

Elenna [48]2 years ago
3 0

Answer:

Sodium: Na

It is a metal

It's family is Alkali metals

Its atomic number is 11

It has 12 neutrons, 11 protons, 11 electrons

You might be interested in
What happens when your face is near the spoon. Please specify.​
aleksandrvk [35]

Answer:

RBCs are disc-shaped with a flatter, concave center. This biconcave shape allows the cells to flow smoothly through the narrowest blood vessels. ... Many RBCs are wider than capillaries, but their shape provides the needed flexibility to squeeze through

8 0
2 years ago
What would be the matching DNA strand for the code below?:
max2010maxim [7]

Answer:

D. TTACGCCAGG. that would be your answer.

4 0
2 years ago
Read 2 more answers
Is MgCO3 organic or inorganic
schepotkina [342]
Its inorganic as MgCO3 is contains no carbon more hydrogen which is a crutial component of all organic compounds 
4 0
3 years ago
state whether the following changes are physical or chemical for rancidipication fixation of water 2 tearing of paper 3 rusting
Artist 52 [7]
1. rancidification fixation of water is CHEMICAL CHANGE

2. Tearing of paper is PHYSICAL CHANGE

3. Rusting if iron is CHEMICAL CHANGE

4. Electrolysis of water is CHEMICAL CHANGE
5 0
3 years ago
25 points! Help please
Sedbober [7]

Answer:

I think its b

Explanation:

but I wouldn't depend on this answer

4 0
3 years ago
Read 2 more answers
Other questions:
  • Explain why it is not possible to draw a skeletal structure for methane.
    13·1 answer
  • Which olefin should predominate in the product of the dehydration of 2-methyl-2-butanol?
    7·1 answer
  • Mendeleev’s table of elements was better accepted than those of other scientists at the time because _______________ . Moseley w
    15·2 answers
  • What are Kr and Xe. (elements)?
    9·1 answer
  • Alright who can help me?<br><br>and if you dont know then dont answer ok<br><br>​
    7·1 answer
  • Is is true or false that ocean currents affect the climate I certain regions on earth​
    7·2 answers
  • Enter a balanced nuclear equation for the production of lead-212, used in the treatment of some cancers, from the beta decay of
    6·1 answer
  • Fountain
    11·1 answer
  • Why must energy be used to produce the colors seen
    8·2 answers
  • How does lemon juice stop an apple from turning brown?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!