How many periods are in the periodic table of elements

Asked by wiki @ 17/08/2021 in Chemistry viewed by 239 People

How many periods are there in the modern periodic table of elements?

Answered by wiki @ 17/08/2021

Answer:

There are seven periods in the modern periodic table.

Do you know the better answer?

Who was elected president of the united states in 1860

Asked by wiki @ 28/10/2021 in History viewed by 202 persons

Elected president in 1860 jefferson davis 2. southern candidate for president in 1860 abraham lincoln 3. first state to secede from the union south carolina 4. president of the confederate …

Shifting cultivation is most commonly found in which climate region

Asked by wiki @ 27/06/2021 in Geography viewed by 185 persons

In what climate does shifting cultivation predominate? And, what are its two characteristics?

What factors cause changes between the liquid and gas state

Asked by wiki @ 10/06/2021 in Chemistry viewed by 323 persons

What factors cause changes between the liquid and gas state?

What kind of exercise helps your heart work more efficiently

Asked by wiki @ 10/06/2021 in Health viewed by 181 persons

________ exercise helps your heart work more efficiently A flexibility B strength C anaerobic D aerobic

This is the code name for the atomic bomb program

Asked by wiki @ 29/10/2021 in History viewed by 237 persons

The "Manhattan Project" was the code name for the A) U.S. plan to invade Japan. B) German use of jet aircraft. C) Allied plan to invade Europe. D) U.S. plans …

The human chromosome apparently lacking in gene influence is the

Asked by wiki @ 11/06/2021 in Biology viewed by 270 persons

The human chromosome apparently lacking in gene influence is the: Y chromosome X chromosome chromosome 21

What was true about the case of nixon v herndon

Asked by wiki @ 10/06/2021 in History viewed by 191 persons

What was true about the case of nixon v. herndon A.) An African American was kept from voting by state law B.) The Supreme Court ruled against a discriminatory voting …

How did the constitution differ from the articles of confederation

Asked by wiki @ 21/06/2021 in History viewed by 175 persons

How did the US Constitution differ from the Articles of Confederation?

How to say everything happens for a reason in spanish

Asked by wiki @ 02/08/2021 in Spanish viewed by 162 persons

How do you say everything happens for a reason in spanish??

A food worker uses a spatula to flip hamburger patties

Asked by wiki @ 11/07/2022 in Health viewed by 125 persons

A food worker uses a spatula to flip a hamburger patties as they cook on a grill. What must she do before using this spatula to assemble the completed burgers

Recognize and correct inappropriate shifts in verb voice and mood

Asked by wiki @ 26/08/2021 in English viewed by 239 persons

Correct the inappropriate shift in verb voice or mood by rewriting the sentence below. "When we searched the school for damage, a broken window was discovered."

7 16 8 27 9

Asked by wiki @ 14/06/2021 in Mathematics viewed by 159 persons

Next number in sequence 7 16 8 27 9 ?

The westward expansion had all of the following effects except

Asked by wiki @ 29/08/2021 in History viewed by 247 persons

Plssss hurryyyy 15 ptssss All of the following affected westward expansion after the Civil War EXCEPT: a. Ranchers needed large amounts of land to raise and graze cattle successfully. b. …

The backbone of the dna molecule is made up of

Asked by wiki @ 25/06/2021 in Biology viewed by 200 persons

The "backbone" of the DNA molecule is made up of 2 alternating components , what are these called ?

Equations with variables on both sides of the equal sign

Asked by wiki @ 22/08/2021 in Mathematics viewed by 280 persons

Write an equation with a variable on both sides of the equal sign that has infinitely many solutions. Solve the equation and explain why it has an infinite number of …

Land in what areas was part of the open range

Asked by wiki @ 10/06/2021 in History viewed by 253 persons

Land in what areas was part of the open range?

What element has 13 protons 14 neutrons and 13 electrons

Asked by wiki @ 11/06/2021 in Chemistry viewed by 264 persons

An atom has 13 protons, 13 neutrons, and 13 electrons. Another atom has 13 protons, 14 neutrons, and 13 electrons. Analyze and explain how these two atoms are related.

Who helped pay for settling the james river colony

Asked by wiki @ 17/06/2021 in History viewed by 212 persons

Who helped pay for settling the James River Colony? Why did the English come to the James River in 1607? How many settlers died in the first six months?

The health insurance portability and accountability act hipaa requires that

Asked by wiki @ 28/10/2021 in Business viewed by 189 persons

The health insurance portability and accountability act (hipaa) requires that: a. counselors should give clients a clear written explanation of how they use, keep, and disclose their health care information. …

What type of magnetism is present in a bar magnet

Asked by wiki @ 12/07/2022 in Physics viewed by 130 persons

What type of magnetism is present in a bar magnet?

Name the 3 main land biomes of the united states

Asked by wiki @ 12/06/2021 in Biology viewed by 211 persons

Name the 3 main biomes of the united states (land only)

The adventure of the speckled band open book test answers

Asked by wiki @ 22/11/2021 in English viewed by 267 persons

Read the passage from “The Adventure of the Speckled Band.” “And what do you think of it all, Watson?” asked Sherlock Holmes, leaning back in his chair. “….if the lady …

A way of supplying water to an area of land

Asked by wiki @ 09/06/2021 in History viewed by 193 persons

A way of supplying water to an area of land

What happens to the kinetic energy when a car brakes

Asked by wiki @ 12/06/2021 in Physics viewed by 271 persons

A car in motion has kinetic energy. What happens to the kinetic energy when the car brakes to a stop? The kinetic energy is transformed into potential energy ready to …

Altering photographs was part of joseph stalin's effort to

Asked by wiki @ 15/06/2021 in Social Studies viewed by 358 persons

Altering photographs was part of Joseph Stalin’s effort to purge those who threatened him. censor the Communist Party. persecute visual artists. change historical facts.

Compared with authoritarian parents authoritative parents are likely to be

Asked by wiki @ 25/06/2021 in Social Studies viewed by 178 persons

Compared with authoritarian parents, authoritative parents are likely to be less educated. more responsive. less trusting. more conservative.

What is the greatest common factor of 15 and 64

Asked by wiki @ 09/06/2021 in Mathematics viewed by 217 persons

What is the greatest common factor (gcf) of 15 and 64

Did babylonia have a powerful state with a large bureaucracy

Asked by wiki @ 12/06/2021 in History viewed by 227 persons

did babylonia have a powerful state with a large bureaucracy? what state services, now taken for granted in dealing with crimes, were absent in this society? why was so much …

What was the effect of the louisiana purchase points 3

Asked by wiki @ 28/10/2021 in History viewed by 81 persons

What was a result of the Louisiana Purchase? (Apex) A. The president used powers not given to his office in the Constitution. B. A constitutional amendment gave special powers to …