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Questions and answers by
Yuji Itadori ^u^
Questions (5)
What Western culture value is developed through the set and characters in the film The Lord of the Rings?
(1 point) Responses you
1 answer
37 views
An atomic model shows 19 protons, 20 neutrons, and 19 electrons. What is the mass number of the atom?(1 point)
Responses 20 20 19
11 answers
36 views
Which of the following statements most accurately portrays life in the backcountry?(1 point)
Responses Most property owners were
1 answer
20 views
The platypus is an Australian mammal that is not easily classified. It is one of only two mammals (the other being the echidna)
7 answers
36 views
Simplify 13 to the power of 12÷13 to the power of −10
5 answers
23 views
Answers (11)
How many atoms are represented in the formula Na2HPO4?(1 point) Responses four four - no response given eight eight - no response given six six - no response given seven
A scientist is using a lithium ion battery to power her laptop. Which statement about the battery is correct?(1 point) Responses Lithium atoms are created as the battery recharges. Lithium atoms are created as the battery recharges. - no response given
Potassium and nickel are in the same row of the periodic table. What do these elements have in common?(1 point) Responses They have the same number of electron shells. They have the same number of electron shells. - no response given They have similar
A ball-and-stick model of a molecule of formaldehyde, CH2O, is made from the following components: one black ball one red ball two white balls three sticks What do the sticks represent? (1 point) Responses bonds between atoms bonds between atoms oxygen
To create a molecular model, a student will use blue spheres to represent nitrogen (N) and white spheres to represent hydrogen (H). Which option correctly describes a model of ammonia, NH3?(1 point) Responses one blue sphere and three white spheres one
A Buddhist book called The Diamond Sutra, printed around 868 C.E., is the oldest known printed book. It was printed using page-sized panels of wood blocks. These blocks were carved by hand with Chinese characters shown in reverse. Which word or phrase
Many people believe a European named Johannes Gutenberg invented the printing press. However, Gutenberg’s press was actually building on inventions that appeared centuries earlier in China. What is the connection between the ideas in these sentences? (1
It happens way too often: oil leaking from wells beneath the ocean or tankers spilling their cargo into the waves. One disaster in the Gulf of Mexico, called the Tyler spill, has been leaking hundreds of barrels of oil per day into the ocean for the past
Which are the correct steps to follow to simplify an exponential expression using the Quotient Rule of Integer Exponents?(1 point) Responses Check if the bases are the same; if they are, subtract the exponents of the numerator and denominator (leave as-is
simplify 4 to the power of 13÷3 to the power of -5
Simplify 13 to the power of 12÷13 to the power of −10 .
