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 01:30, nayelimoormann
Who is the best protagonist of their respective series? a. asta b. boruto c. ichigo d. deku
Answers: 1
History, 22.06.2019 08:00, meganwintergirl
In presidential elections if no candidate receives a majority of the election votes, a. the winner is decided by the house of representative’s. b. the current president remains in office for four more years. c. the winner is decided by the senate. d. a runoff election is held in december between the two candidates who received the most votes in the general election.
Answers: 2
I need help with this science test im in 8th grade not high school btw
Question 1 Which two groups...
Social Studies, 03.07.2021 03:40