Label these groups of the periodic table.

The image shows an atomic view of a substance. Note that the same color sphere represents atoms of the same type. Does the image represent an element, a compound, or a mixture?

THIS PROCESS IS REQUIRED FOR YOU TO RECEIVE A GRADE ON THIS QUIZ, even if you did a room scan before starting, do this now: (a) If you use a desktop computer, you must have a ‘football size or larger’ handheld mirror — pick it up, hold it at your face level, turn it facing the computer screen, point it slowly downward toward your work area in front of the computer, hold it for 5 seconds, then slowly point to the right, hold it 5 seconds, the slowly point it toward your left, hold it for 5 seconds, then put it away.  (b) If you’re using a laptop computer, pick it up, hold it at your face area, and point the computer screen downward toward your work area in front of where the computer sits, hold it for 5 seconds, then slowly point to the right, hold it 5 seconds, the slowly point it toward your left, hold it for 5 seconds, then put it away. ONCE YOU COMPLETE THE PROCESS, CLICK True if you did the scan with a laptop, click False if you did it with a mirror.

THIS PROCESS IS REQUIRED FOR YOU TO RECEIVE A GRADE ON THIS QUIZ, even if you did a room scan before starting, do this now: (a) If you use a desktop computer, you must have a ‘football size or larger’ handheld mirror — pick it up, hold it at your face level, turn it facing the computer screen, point it slowly downward toward your work area in front of the computer, hold it for 5 seconds, then slowly point to the right, hold it 5 seconds, the slowly point it toward your left, hold it for 5 seconds, then put it away.  (b) If you’re using a laptop computer, pick it up, hold it at your face area, and point the computer screen downward toward your work area in front of where the computer sits, hold it for 5 seconds, then slowly point to the right, hold it 5 seconds, the slowly point it toward your left, hold it for 5 seconds, then put it away. ONCE YOU COMPLETE THE PROCESS, CLICK True if you did the scan with a laptop, click False if you did it with a mirror.

Please match the definition with its word: This is the detailed examination of the elements or structure of something.

This course is open only in weekend because it is online weekend class.

Read each given sentence. Pay attention to the articles, the preposition or the form of the possessive pronoun to determine each grammatical case. Then, apply the correct noun ending. Write the nouns in parentheses with their correct endings into the blanks. All nouns belong to the n-declension. ———– 1. Ich habe die Filme “Der Triumph des (Wille)” und “Der Sieg des (Glaube)” von Leni Riefenstahl gesehen. 2. In der Mensa habe ich gestern mit einem (Franzose) und einem (Schwede) gegessen. 3. Ich habe meinen (Nachbar) geholfen.

Read each given sentence. Pay attention to the adjectival noun function, to the article, pronoun, or preposition preceding the adjectival noun, and to the verb to determine the correct adjectival noun ending. Write only the ending of each adjectival noun into the blanks. Ich habe das in dieser (IIlustriert-) (fem. – Magazine) gelesen. Ich habe deinen )Bekannt-) im Theater gesehen. Nimmst du den roten Pullover? – Nein, ich nehme den (blau-). Der Transport der (Krank- fem. sing) machte keine Probleme. Ich kenne den Vater des (Angeklagt-).

Read each given sentence. Pay attention to the adjectival noun function, to the article, the verb form and the preposition to determine the correct adjectival noun ending. Write the adjectival nouns with their correct endings into the blanks. ———– 1. Wir sprechen morgen mit den (Abgeordnet-). 2. Meine (Verwandt-) kommen zu meinem Geburtstag. 3. Ich lese gern eine (Illustriert-). 4. Er wählt die (Abgeordnet-) der (Link-).  

Read each given sentence. Pay attention to the adjectival noun function, to the article, the verb form and the preposition to determine the correct adjectival noun ending. Write the adjectival nouns with their correct endings into the blanks. ———– 1. Wir sprechen morgen mit den (Abgeordnet-). 2. Meine (Verwandt-) kommen zu meinem Geburtstag. 3. Ich lese gern eine (Illustriert-). 4. Er wählt die (Abgeordnet-) der (Link-).