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History, 31.08.2021 08:30 lily3934

I need help with this science test im in 8th grade not high school btw Question 1 Which two groups of elements in the periodic table are the most reactive?

A halogens and noble gases

B alkaline earth metals and halogens

C alkali metals and halogens

D noble gases and alkali metals

Number 2 Which statement about nitrogen (N) and phosphorus (P) is correct?

A They have the same number of electron shells.

B They have the same number of valence electrons.

C They are both inert.

D They are both classified as halogens.

number 3 Which property do transition metals have in common?

A They are usually very soft.

B They usually have low densities.

C They usually have high melting points.

D They are usually very reactive.

Question 4 Neon and argon are both in Group 18 of the periodic table. Which property do they most likely share?

A strong odor

B silver color

C low or no reactivity

D metallic texture

Question 5 scientist studies an element that has seven electrons in its outer shell, is fairly toxic, is a gas at room temperature, and is highly reactive. To which group of the periodic table does this element belong?

A 2 - alkaline earth metals

B 17 - halogens

C 1 - alkali metals

D 18 - noble gases

ASAP
Question 1 Which two groups of elements in the periodic table are the most reactive?

A halogens and noble gases
B alkaline earth metals and halogens
C alkali metals and halogens
D noble gases and alkali metali need help with these two questions in my history quick check

question 3 Which of the following would be a use for mounds? Select all that apply.

A burial site

B village meeting hall

C religious purpose

D market site for food crops

last question Which of the following were features of the Woodlands culture?

A pottery

B mounds

C agriculture

D all of the above

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Answers: 3

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