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Annette [7]
3 years ago
12

How many protons and electrons are present in a Ca2+ ion?

Chemistry
1 answer:
o-na [289]3 years ago
7 0

Answer:

Ca2+ represents an ion with 20 protons and 18 electrons.

Explanation:

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According to the video on nuclear power plants, what does PWR stand for?
Radda [10]

PWR stands for many things. Since you're talking about nuclear power reactors I think PWR stands for pressurized water reactor.

A pressurized water reactor follows many steps but the main goal is to obtain thermal energy from water.



Hope it helped,



BioTeacher101

6 0
3 years ago
Magnesium bromide is an ionic compound with the chemical formula MgBr2, Magnesium is
denis23 [38]

Answer:

These are Magnesium bromide is MgBr2. “ionic compounds.” When atoms join together, they form either molecules or ionic compounds, depending on whether they are joined by covalent bonds or ionic bonds. ... When atoms join together by ionic bonds, they form “ionic compounds”.

Explanation:

Hope it helps u

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4 0
3 years ago
Which is the empirical formula for hydrogen peroxide
KiRa [710]

H2O2 i think this is it


8 0
4 years ago
Read 2 more answers
Pls helppp
defon

The heat absorbed to raise temperature : Q = 31350 J

<h3>Further explanation </h3>

Given

m = mass = 150 g

Δt = Temperature difference : 50 °C

Required

Heat absorbed

Solution

Heat can be formulated

<em> Q = m.c.Δt </em>

The specific heat of water = c = 4.18 J/g °C  

Input the value :

Q = 150 x 4.18 x 50

Q = 31350 J

6 0
3 years ago
Brainiest if correctly answered in 5m
oee [108]
An organic compound must meet the requirements of having both Carbon and Hydrogen bound to one another. As you can see, CO2 is the only compound that is not organic because it lacks hydrogen in it. All the other compounds have at least 4 Hydrogens and is the reason why they are an Organic Compound.
5 0
3 years ago
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