Question

Why do elements that are in the same group of the periodic table share similar properties?



They all have the same atomic mass.
They are all very reactive with other elements.
They are all metals.
They all have the same number of electrons in the outer shell.
They all have the same number of electrons in the outer shell.

Answer 1

d and e

Answer 2

for connexus practice its
D(only this one is wrong)
B
B
C
C
C
B
B
should get u 7/8.

Answer 3

For The Matter Interactions Online Practice (Connexus)

1. B [39]
2. B [one blue sphere and three white spheres]
3. A [bonds between atoms]
4. A [They have the same number of electron shells.]
5. B [They all have the same number of electrons in the outer shell.]
6. C [baking a cake]
7. A [A new substance is formed as the battery is used.]
8. C [The H2O and O2 produced have the same mass as the original H2O2.]
9. C [20]
10. A [It has the same number of atoms on both sides for each specific type of atom.]
11. A [eight]

💯 Correct, I Took The Practice

Answer 4

the correct answers are
1. c
2. b
3. b
4. c
5. a
6. b
7. d
8. b
for connexus hope this helps!!!!