The element iron (Fe) occurs naturally as four isotopes. Each of these isotopes has A) 26 ...

Author Question: The element iron (Fe) occurs naturally as four isotopes. Each of these isotopes has A) 26 ... (Read 167 times)

yoooooman

Hero Member
Posts: 557

on: Aug 27, 2018

The element iron (Fe) occurs naturally as four isotopes. Each of these isotopes has

A) 26 protons.
B) 26 electrons.
C) a different number of neutrons.
D) all of the above

Question 2

An iron oxide is 77.7 in iron. Its empirical formula is ________.

A) FeO
B) Fe2O
C) Fe2O3
D) Fe3O4

14vl19

Sr. Member
Posts: 310

Reply #1 on: Aug 27, 2018

Answer to Question 1

D

Answer to Question 2

A

Need homework help now?

Ask unlimited questions for free

Ask a Question

yoooooman

Hero Member
Posts: 557

Reply #2 on: Aug 27, 2018

Thank you!

14vl19

Sr. Member
Posts: 310

Reply #3 on: Aug 27, 2018

Always glad to help...

« previous next »

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.