Chemistry

Chemistry, 05.11.2019 11:31, risaroo070618

10 ! which of the following is a lanthanide?
a. barium (ba)
b. europium (eu)
c. americium (am)
d. gold (au)

answer

Answers: 2

Show answers

Similar questions

Предмет

Chemistry, 05.07.2019 18:00, sierransha08

Naturally occurring europium (eu) consists of two isotopes was a mass of 151 and 153 . europium-151 has an abundance of 48.03% and europium-153 has and abundance of 51.97%. what is the atomic mass of europium?

Answers: 1

Предмет

Chemistry, 21.07.2019 20:00, jaquisjones68

Americium-241 is a radioactive substance used in smoke detectors. the half life of americium is 432 years. if a smoke detector initially contains 1 gram of americium 241, how much will remain in 432 years? a) 0.5g b) 1.0g c) 1.5g d) 2.0g

Answers: 1

Предмет

Chemistry, 16.09.2019 23:00, smart57

The element europium exists in nature as two isotopes: 151eu has a mass of 150.9196 amu, and 153eu has a mass of 152.9209 amu. the average atomic mass of europium is 151.96 amu. calculate the relative abundance of the two europium isotopes.

Answers: 1

Do you know the correct answer?

10 ! which of the following is a lanthanide?
a. barium (ba)
b. europium (eu)
c. a...

Questions in other subjects:

Konu

Mathematics, 21.10.2020 19:01

Use subsitution to determine the solution of the systems of equations y=-2x-7 and 2y-x=1...

Konu

Mathematics, 21.10.2020 19:01

Can anyone help me with those 2 at the bottom please I appreciate it

Konu

Mathematics, 21.10.2020 19:01

As áreas de diferentes quadrados da fachada de um prédio com 20 andares formam uma progressão aritmética de razão 3 m². Sabendo-se que a área do primeiro quadrado da sequência é ig...

Konu

Mathematics, 21.10.2020 19:01

Is the cost of purchasing apples for $1.75 per pound a proportional relationship? Math...

Konu

Mathematics, 21.10.2020 19:01

CORRECT ANSWER WILL GET BRAINLIEST ...

Konu

Mathematics, 21.10.2020 19:01

The graph of a line in the xy-plane passes through the point (1, 4) and crosses the x-axis at the point (2.0). The line crosses the y-axis at the point (0, b). What is the value o...

Konu

Mathematics, 21.10.2020 19:01

HELP ME PLEASE where do all of these numbers belong? √121,56,3.6666666666,1/4 A. whole number B. irrational C. Integer D. Rational...

Konu

Mathematics, 21.10.2020 19:01

ABCD ≅ FGHJ. Find the measure of the given angles or lengths of the given sides. m∠B = 3y, m∠G = y + 50...

Konu

Mathematics, 21.10.2020 19:01

f(x) = 3x + 5 Describe how the graph of each function compares to f. Graph all of the equations on one coordinate plane....

Konu

Mathematics, 21.10.2020 19:01

Simplify -(6x – 12) - (-20) – 7x Please help me thanks...

Other tasks in the category: Chemistry More task