It might be c, because he came up with the plum pudding model. or it might be that atoms of the same element are identical, but that's not true cuz ions are different and isotopes are different.

5 0

3 years ago

students calculated the circumference of a globe to be 60.0 cm. The actual circumference of the glide is 63 cm. The percent devi

Naily [24]

#2. Percent error (or deviation) is calculated as ((TV-EV)/EV))*100

6 0

3 years ago

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In which species does nitrogen have an oxidation number of zero?

VARVARA [1.3K]

The most common species of nitrogen in which its oxidation state is zero is the diatomic nitrogen ( $N_{2}$ ). This is because the oxidation number of pure elements (whether alone as an atom or combined with other atoms of the same element such as the diatomic nitrogen) is always zero.

In addition to diatomic nitrogen, there are diazonium ( $R-N_{2}^{+}$ ) compounds where nitrogen has an oxidation number of zero.

4 0

3 years ago

What is the mass of an atom with 7 protons, and 7 neutrons?

klio [65]

Answer:

Explanation:

Nitrogen has an atomic number of 7 (Z=7) because it has 7 protons in its nucleus. Some nitrogen atoms have an atomic mass number of 15 (A=15). A is the number of neutrons plus protons in the nucleus. However, we already know that there are 7 protons.

plz mark as brainliest

3 0

3 years ago