Question

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?

Answer 1

the answers are C and E

Answer 2

the answer is B,C and E.

Answer 3

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

Trust me, I got 100% on the quiz<3

Answer 4

cAt.ExE HaS sTopPeD wORkInG is right <3 for the unit 2 lesson 3 quiz Conexus kids . they had just mixed up the answers so I went through to make sure his right and he was thanks<3

Answer 5

He is right

Answer 6

he is right :)

Answer 7

Yes CaT.ExE.Has.StOpPeD.WoRkInG is right in October

Answer 8

cAt.ExE HaS sTopPeD wORkInG is correct

Answer 9

They are correct thank you cAt.ExE HaS sTopPeD wORkInG!

Answer 10

1. B

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

100% correct for 2020 one

Answer 11

Sloth is right

Answer 12

Sloth is right

Answer 13

For the "new one" (Lesson 3: Chemical Bonds - Science 8 B Unit 1: Chemical Reactions | AKA Unit 1, Lesson 3), Sloth is indeed correct.

Answer 14

Sloth is right

Answer 15

thank you genius.

Answer 16

vhjcks finally someone from this year!

Answer 17

sloth is right for anyone in 2021 I got the answers right.

Answer 18

1. A row of elements on the periodic table is called a(n)

Correct answer B. period.

2. Which is most likely to be part of an ionic bond?
Correct answer B. an atom with one valence electron

3. Which physical properties are characteristic of nonmetal solids? Choose all that apply.
Correct answer A and B (brittle and little luster)

4. Ernest Rutherford’s atomic model included a nucleus comprised of positive particles called protons. Later, James Chadwick discovered neutrons. How did Chadwick’s discovery change the atomic model?
Correct answer D. The new model showed a nucleus with two types of particles.

5. What conclusions about atoms can you draw from the modern atomic model shown below? Choose all that apply.
C D E. (Electrons are smaller than protons. The majority of an atom's mass is in the nucleus. Protons and neutrons are about the same size.)

6. The atom shown below is
Correct answer C. not likely to form any bonds

7. Use your reference copy of the periodic table to answer question 3.
What is true about the element francium (Fr, atomic number 87)? Choose all that apply.
B D E (It is likely to form ionic bonds. It is in Period 7. It is a metal.)

8. A scientist is trying to determine the identity of an element. It is highly reactive in water and forms an ionic bond with chlorine. It is also very shiny. The element is likely
Correct answer B. from Group 1.

9. Use the diagram to answer question 10.
[Image]
Image courtesy of Discovery Education™ streaming
Metal cations are atoms that have a positive charge. What type of bond is a metal cation likely to form?
Correct Answer D. ionic bond

Have a great guys!

Answer 19

great day*