What is true about the element francium (Fr, atomic number 87)? Choose all that apply.

A) It has seven valence electrons.
B) It is likely to form ionic bonds.
C) It is in Period 7.
D) It is nonmetal.
E) It is a metal.

I think it is B, C, and E?

1. B

2. A and D
3. B. D. and E.
4. D
5. C. D. and E.
6. A. and B.
7. C.
8. B.
9. B.
10. D

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To determine which statements are true about the element francium (Fr, atomic number 87), we can refer to the periodic table and the periodic trends.

A) It has seven valence electrons.
To find the number of valence electrons, you can refer to the periodic table. Francium is in Group 1 of the periodic table, so it has only one valence electron, not seven. Therefore, statement A is not true.

B) It is likely to form ionic bonds.
Francium is a Group 1 element, which means it has one valence electron. Group 1 elements tend to lose that valence electron, forming a +1 cation and exhibiting a strong tendency to form ionic bonds. Therefore, statement B is true.

C) It is in Period 7.
To find the period number, you can again refer to the periodic table. The atomic number of francium is 87, which indicates that it belongs to Period 7 (referred to as the seventh row in the periodic table). Therefore, statement C is true.

D) It is nonmetal.
Francium is an alkali metal, which is a group of highly reactive metals. It is not a nonmetal. Therefore, statement D is not true.

E) It is a metal.
Francium is indeed a metal, specifically an alkali metal. Alkali metals are highly reactive metals that are good conductors of heat and electricity. Therefore, statement E is true.

In conclusion, the correct statements about francium are B) It is likely to form ionic bonds, C) It is in Period 7, and E) It is a metal.

#2 is A&C not A&D