Consider these entries from the periodic table of elements.
a. What is the chemical symbol for sodium?
(1 point)
Responses
sodium
sodium
NA
NA
Na
Na
N
N
Question 2
b. How many protons does one atom of boron have?(1 point)
Responses
5
5
6
6
10
10
10.81
10.81
Question 3
c. What is the atomic number of carbon?(1 point)
Responses
6
6
12
12
12.011
12.011
a. What is the chemical symbol for sodium?
(1 point)
Responses
sodium
sodium
NA
NA
Na
Na
N
Na
How many protons does one atom of boron have?(1 point)
Responses
5
5
6
6
10
10
10.81
10.81
Boron has 5 protons.
12.011
6
6
To find the answers to these questions, you can refer to the periodic table of elements.
a. The chemical symbol for sodium is Na.
b. To determine the number of protons in one atom of boron, look for the element symbol B on the periodic table. The atomic number of boron is 5, which indicates that it has 5 protons.
c. The atomic number of carbon is 6. This number is the same as the number of protons in the carbon atom.