Biology, 22.03.2021 22:00 biancasamadp3usfw

Question. _1. A chemist tests an element and finds that it does not react (chemically inert) with any other element. What type of element is it most likely to be?
2. Semiconductors are often made from what type of element?
3. A substance has a shiny surface. It is easy to shape by drawing it into a long thin wire. What is it?
4. An element is part of the lanthanide series. What kind of element is it?
5. An element does not conduct electricity or heat. What kind of element is it most likely to be?
6. The most reactive metal elements belong to which group?
7. These elements are highly reactive nonmetals, often used to kill bacteria. They get their name from the Greek words for “salt formers”
8. Gold is in the middle of the periodic table. What is it?
9. Contains important elements like Ca and Mg. Which family?
Answers.
Select the term that best matches each description.
a. Metal
b. Nonmetal
c. Metalloid
d. Alkali metal
e. Transition metal
f. Nobel gas
g. Halogen
h. Rare earth element
i. Alkaline earth metal

Answers: 1

Show answers

Another question on Biology

Biology, 21.06.2019 22:00

Which of the following scenarios is an example of the bottleneck effect? answers a in south africa, much of the afrikaner population is descended from a small number of dutch colonists. in this population, this is an unusually high frequency of pseudoxanthoma elasticum (pxe), an elastic tissue disorder. b four white-tailed deer are introduced to a park in finland. thirty years after their introduction scientists compare the genes in the population and find that there is no variation. c during the industrial revolution, london's air became filled with soot. as a result, birds started eating more of the lighter moths because they were easier to spot than their darker counterparts. over time, the moth population changed so that there were more darker moths than lighter ones. d 10% of the population of american alligators in an area have the recessive trait albinism. a massive flood results in the death of 80% of the population. of the remaining population, 60% have the recessive trait of albinism.

Answers: 2

Answer

Biology, 22.06.2019 02:00

Many farmers prefer cattle without horns because it is safer for their herds. the allele for no horns (n) is dominant to the allele for the presence of horns (n). a farmer mates a male with horns to a heterozygous female without horns. what is the chance that the offspring will have horns?

Answers: 1

Answer

Biology, 22.06.2019 07:00

Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.

Answers: 1

Answer

Biology, 22.06.2019 14:20

9. what area of study applies scientific findings to create ways for solving problems or improving life? a biogeology b mathematics c manufacturing d engineering

Answers: 2

Answer

You know the right answer?

Question. _1. A chemist tests an element and finds that it does not react (chemically inert) with a...

Questions

Biology, 22.09.2019 09:30

Larry is taking a walk in the park. the pollen in the air makes him sneeze constantly. what line of defense is his immune system exhibiting? a.) firs...