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
Answers: 3
History, 22.06.2019 01:00
James ll caused problems during his reign because his religion was: protestant lutheran catholic
Answers: 1
History, 22.06.2019 05:00
Why did french and austrian troops stops revolts in spain and italy
Answers: 1
History, 22.06.2019 11:00
The unification of italy and germany was masterminded by strong leaders who relied on . the main leaders were otto von bismarck in germany and in italy. these leaders used to unite people in supporting their aims.
Answers: 3
History, 22.06.2019 15:30
Which best describes the link between the second great awakening and the abolitionist movement? the second great awakening spark the abolition movement. the abolition movement spark the second great awakening. the second great awakening denounced the abolition movement. the abolition movement denounced the second great awakening.
Answers: 2
I need help with this science test im in 8th grade not high school btw
Question 1 Which two groups...
Mathematics, 07.04.2020 21:40
History, 07.04.2020 21:40
Mathematics, 07.04.2020 21:40
Biology, 07.04.2020 21:40