subject

Chemistry, 21.12.2021 01:10 sailesd57

Explain why the first ionisation energy of beryllium is higher than the first ionisation energy of lithium.

ansver

Answers: 1

Show answers

Another question on Chemistry

question

Chemistry, 21.06.2019 12:30

Given 7.65 g of butanoic acid and excess ethanol, how many grams of ethyl butyrate would be synthesized, assuming a complete 100% yield?

Answers: 3

question

Chemistry, 21.06.2019 19:00

Apeak with a retention time of 407 s has a width at half-height (w1/2) of 7.6 s. a neighboring peak is eluted 17 s later with a w1/2 of 9.4 s. a compound that is known not to be retained was eluted in 2.5 s. the peaks are not baseline resolved. how many theoretical plates would be needed to achieve a resolution of 1.5?

Answers: 2

question

Chemistry, 22.06.2019 00:20

What are the spectator ions in 2h+ + so42- + ca2+ + 2r → caso4 + 2h+ + 21?

Answers: 1

question

Chemistry, 22.06.2019 21:30

An atomic nucleus is composed ofa)protons.b)protons and neutrons.c)protons and electrons.d)protons, neutrons, and electrons.

Answers: 1

You know the right answer?

Explain why the first ionisation energy of beryllium is higher than the first ionisation energy of...

Questions

question

History, 17.09.2021 21:30

summarize and explain the shifts in the federal government's policy toward native americans from the 1830s to the 1930s...

question

English, 17.09.2021 21:30

Narrative Writing: Students will demonstrate the ability to effectively apply narrative strategies for a variety of purposes and audiences by...

question

Mathematics, 17.09.2021 21:30

If a and b are real numbers which of the following statements are true. |a+b|=|a|+|b||a-b|=|a|-|b||ab|=|a|*|b|-|a/b|=-a/b...

question

Mathematics, 17.09.2021 21:30

a recipe that serves 6 people needs t be doubled to serve a dinner party of 12. the original recipe calls for 1 2/3 cups of flour. how much flour shou...

question

Mathematics, 17.09.2021 21:30

Which is the angle of rotational symmetry for the given trapezoid? ) A) 60° B) 90° 180° D) No angle of rot...

question

Mathematics, 17.09.2021 21:30

I need help with this ...

question

English, 17.09.2021 21:30

To test your hypothesis, the same fertilizer from the farm will be mixed into the water of one aquarium (experimental) and the other will be left alon...

question

Arts, 17.09.2021 21:30

What does it mean when he only talks about...

question

Mathematics, 17.09.2021 21:30

(6 + 3) ÷ (4 – 5) = what the expression...

question

Mathematics, 17.09.2021 21:30

Help help help help help help help ...

question

Physics, 17.09.2021 21:30

7) Two positive lenses have focal lengths in the ratio 4:1. When placed together in close contact the focal length of the combination is found to be +...

question

Mathematics, 17.09.2021 21:30

Whst is the slope of the graph below ...

question

Mathematics, 17.09.2021 21:30

2. What do you notice about the angles with vertex B and the angles with vertex E?

question

Biology, 17.09.2021 21:30

According to the NOAA, more than what percentage of Earth's oxygen is from the ocean?...

question

Computers and Technology, 17.09.2021 21:30

Which of the following is not freshwater ecosystem...

question

English, 17.09.2021 21:30

Literary Devices: Students will demonstrate the ability to comprehend, analyze, and critique a variety of complex literary texts by identifying and

question

Mathematics, 17.09.2021 21:30

Plz help I need help ...

question

Mathematics, 17.09.2021 21:30

20 POINTS + BRAINLIEST The finances of a group of pet owners were analyzed to determine how much they were spending on their pet(s) each year. A gra...

question

History, 17.09.2021 21:30

7. Hardly found anymore, a bases economic activity on customs and traditions. in which private...

question

Physics, 17.09.2021 21:30

Consider the duties of a graphic designer. The first step in the process of creating a design for a client is to meet with the client to discuss the p...

More questions: Chemistry Another questions

Questions on the website: 13722361