Does Cl and Br form ionic bonds?

Does Cl and Br form ionic bonds? Both Chlorine and Bromine have 7 electrons in their outer shell and form ions by gaining one electron. ,So Chlorine becomes Cl- and Bromine becomes Br-. As these ions are both negative they repel each other and do not form an Ionic compound. Is Sugar ionic? Sugar is […]

How much force is required to close a door?

How much force is required to close a door? Interior Doors – 5 pounds of force. Exterior Doors – 15 pounds of force – Massachusetts AAB 521 CMR only – the ADA and A117. 1 do not include a requirement for exterior doors. Sliding or Folding Doors – 5 pounds of force. Which force is […]

What must be included in a crime scene photo?

What must be included in a crime scene photo? All forensic photography must consider three elements at a crime scene: the subject, the scale, and a reference object. Also, the overall forensic photographs must be shown a neutral and accurate representation. What are the 3 types of photographs that need to be taken at a […]

How does turning off lights help climate change?

How does turning off lights help climate change? According to NSTAR, 29% of energy use in non-residential buildings is used for lighting. If you turn off the lights whenever you leave a room, you can reduce greenhouse gas emissions by 0.15 pounds per hour. How can students help reduce climate change? Make sure the lights […]

What structures pull chromosomes apart?

What structures pull chromosomes apart? The movement of chromosomes is facilitated by a structure called the mitotic spindle, which consists of microtubules and associated proteins. Spindles extend from centrioles on each of the two sides (or poles) of the cell, attach to the chromosomes and align them, and pull the sister chromatids apart. What cells […]

What is the uses of technology?

What is the uses of technology? Technology has evolved and shaped our workplaces in many ways, through the adoption of tools like the internet and email for communications, word processing, spreadsheets and presentations for office productivity, electronic databases for record keeping, and robots and artificial intelligence for automation. What does technology mean for you? Technology […]

Does boiling point increase across a period?

Does boiling point increase across a period? Melting and boiling points increase across the three metals because of the increasing strength of their metallic bonds. The number of electrons which each atom can contribute to the delocalized “sea of electrons” increases. The atoms also get smaller and have more protons as you go from sodium […]

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