Pryoynatonvelammer Pryoynatonvelammer

03-02-2016
Chemistry

contestada

Which element above has 8 protons in its nucleus?
a. oxygen
b. carbon
c. phosphorus
d. sulfur

Respuesta :

Bigmokeyceline Bigmokeyceline

03-02-2016

A. Oxygen. Oxygen has an atomic mass of 16. The atomic mass of an atom is the combined weight o the protons and neutrons. Since Oxygen's atomic mass is 16, it has 8 protons and 8 neutrons.

Answer Link

stabbydanarwhal stabbydanarwhal

04-02-2016

Oxygen, you cannot judge an elements number of protons by its atomic mass, but by the atomic number. the atomic number is 8, thus 8 protons.

Answer Link

Otras preguntas

Felix has a gross income of $18,000. (single filer and not claimed as a dependent on someone else's tax return). What is the taxable income for the 10% bracket

What powers the movements of plates?

Nolan rides his bike 63 miles in 270 minutes. What is his average speed in miles per hour?

This unit focused, in part, on relationships in triangles. A triangle is the simplest type of polygon and is frequently used in construction. Explain why triang

help me out please its urgent

Chris owes $920 on his credit card, which has a credit limit of $1800. He also has a debit card linked to a checking account with an available balance of $990.

who is the speaker in a dilemma?

What was the significance of the interactions between the founders of Plymouth and Squanto? A. Squanto was angry at them, and his group drove them out of Plymou

true or false i need help :c

Amplitude of y = cos 3x