Chemistry High School

According to the picture above, which layer contains :

Answers

Answer 1

Answer:

a) layer 4

b) layer 1

Explanation:

Older the layer=older the fossils

Newer the layer=newer the fossilss

Related Questions

Lead (11) oxide dissolves in both
excess dilute nitric acid and
sodium hydroxide solution -
Which of the following is the
property of lead (11) oxide.
A Basic
B Acidic
C Neutral
D Amphoteric

Answers

Answer:

bacic

Explanation:

it is very soluble in water

Compare the elements: Sn, Sb, Te, and I:
Which has the lowest ionization energy?
Why?

Answers

Answer:

Explanation:

Tin, Sn, will have the lowest ionization energy from the given choices.

Sn is an element is the fourth group on the periodic table.

Ionization energy is a measure of the readiness of an atom to lose an electron. The lower the value, the easier it is for an atom to want to lose an electron and vice versa.

Across a period, I.E increases progressively from left to right due to the decreasing atomic radii caused by the increasing nuclear charge which is not compensated for by successive electronic shells.

Sn, Sb, Te and I are all in the 5th period.

the left-right inversion one word answer

Answers

Answer:

Lateral Inversion

Explanation:

Which of the following of elements would have all four valence electrons
B, Si, As, Te
C, Si, Ge,Sn
O, S, Se, Te
Ga, Ge, As, Se

Answers

Answer:

they are used for manufacturing Of diodes

Answer:

is the answer D

Explanation:

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THIS is SO easy PLEASE help ME ! ill ALSO mark YOU brainliest !

Answers

Answer
C

Explanation
When the balloon got bigger the particles expand

It has been windy in Wren’s town. Wren wants to know how fast the wind is moving. Which tools could he use?

Answers

Answer:

We can use a fan, divide the number of times that fan spins by the time it takes and the speed is obtained

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