Describe how mendeleev organized the elements into rows and columns in his periodic table.

1 answer:

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The way how Mendeleev organized the elements into rows and columns in his periodic table was that he decided to arrange all the elements in rows in order of increasing mass, that will make the elements with similar properties stand in the same column. Soon he discovered many new elements such as gallium and after that he realized how his periodic system is useful for classification new elements.

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The overall cost of wiring in addressable fire alarm system is significantly cheaper than the conventional one. Why is it so?

stellarik [79]

Answer:

Yes, The overall cost of wiring in addressable fire alarm system is significantly cheaper than the conventional one.But the addressale fire alram system is more reliable than a conventional system.

Explanation:

Conventional systems are hardware-based and use analog technology. where addressable fire alarm use digital technology. addressable system is generally more reliable than a conventional system mainly due to how the different systems are wired. With a conventional system, if a device’s wire is damaged or severed, its signal and the signal of other devices down the line cannot be transmitted to the control panel.

With an addressable system, both ends of the wire connect to the control panel. Therefore, if one end becomes damaged or severed, signals can still reach the control panel through the other end of the loop. In addressable systems, a device can be removed or disabled and it will not affect the other devices in the loop.

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2 years ago

If Johanna wants to label the x- and y-axes in Excel she should click Layout, then what?

denis-greek [22]

If Johanna wants to label the x and y axes in an Excel chart, she should click anywhere on the chart, then click on the Layout tab. Under Labels, she should click on Axis Titles, and select the Secondary Horizontal Axis Title for x axis or Secondary Vertical Axis Title for y axis. She should then select the text that is in the Axis Title box, and type the title name that she wants.

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3 years ago

unlike the barcode-based tracking system, a radio frequency identification system offers a .

Over [174]

Unlike the barcode-based tracking system, a radio frequency identification system offers a no-contact, no-line-of-sight reading, and tracking system.

What is a tracking system?

A tracking system often referred to as a locating system, is used to keep track of people or objects in motion and provide an accurate, timely sequence of location data for processing. Human tracking should be understood; more information is provided below.

Any stolen car can be kept track of across the nation with the use of a tracking system, ensuring that it is returned as soon as possible. A tracking system is a crucial tool for making sure your personnel is safe.

To learn more about tracking system, use the link given
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#SPJ4

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1 year ago

What may happen if a large number of computer users are attempting to access a web site at the same time that you are?

Andrews [41]

D (you may be unable to link to the site). The site cannot handle the large load of requests and are queued therefore, the response will be slowed down immensely.

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3 years ago

Let's say that you handle the IT systems administration for your company. There's a server inside of your organization that chec

kirill115 [55]

From server do some file transfer to client PC to sync to the server.

Explanation:

As IT System administrator if PC or client or workstation or laptop not connected to network more than 3 months from windows server we need to refresh the connection and redo the connection from server to the client to do sync the activities.

Moreover from domain server refresh and re sync activities to establishing the connection.

Go to client PC or workstation or desktop login log and logout from the PC and login to domain account by changing the password.

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2 years ago