WHS-Chem Test 3 - εξέταση
A) It is composed of protons only B) It is composed of protons and neutrons C) It is composed of protons and electrons D) It is composed of electrons and neutrons
A) 0 B) - C) +
A) have an equal number of neutrons and protons. B) have an equal number of charged and noncharged particles. C) have an equal number of electrons and protons. D) have neutrons in their nuclei.
A) digesting food B) burning wood C) breaking a pencil D) cooking eggs
A) Atomic Number B) Discovery Date C) Atomic Mass D) Alphabetical Order
A) Valence Electrons B) Neutrons C) Protons and Neutrons D) Protons
A) density B) color C) shape D) pH
A) eight neutrons in its nucleus. B) a total of eight neutrons and electrons. C) a total of eight protons and neutrons. D) eight protons in its nucleus.
A) protons plus the number of electrons. B) protons plus the number of neutrons. C) protons. D) neutrons.
A) They form negative ions with a -1 charge. B) They are extremely nonreactive. C) They are located in the left-most column of the periodic table. D) They are usually gases.
A) They are extremely rare in nature. B) a basically nonreactive. C) They are highly reactive with both metals and nonmetals. D) They form compounds with very bright colors.
A) are nonreactive B) have only 1 valence electron C) exist in all three states of matter in normal conditions D) are all metals
A) In the bottom rows. B) In the middle column of the periodic table. C) On the left-most side. D) On the right side.
A) number; mass B) color; smell C) location; ionization D) mass;number
A) 6 neutrons B) 3 neutrons C) 8 neutrons D) 12 neutrons
A) Alkaline Earth B) Noble Gases C) Alkali Metals D) Halogens
A) Noble Gases B) Alkaline Earth C) Halogens D) Akali
A) Alkali B) Alkaline Earth C) Noble Gases D) Halogens
A) Noble Gases B) Halogens C) Alkaline Earth D) Alkali
A) 5 B) 4 C) 3 D) 2
A) metals B) metalloids C) nonmetals
A) Einstein B) Ms. Watson C) Mendleev D) Mosely
A) alphabetically B) by date discovered C) according to atomic number D) According to atomic mass
A) Atomic Mass B) Atomic Number C) Atomic Mass-Atomic Number D) Atomic Number-Atomic Mass
A) Atomic Number-Atomic mass B) Atomic Number C) Atomic Mass-Atomic Number D) Atomic Mass
A) neutrons B) protons C) nucleus D) electrons
A) reactivity B) flammability C) color D) pH
A) crushing B) breaking C) burning D) adding dye
A) vary within the same element B) can be observed with senses C) can only be observed by changing the substance D) only can be seen in a few elements
A) only can be observed in a few elements B) cn only be observed by changing the substance C) vary within the same element D) can be observes with the senses
A) chemical B) physical
A) physical B) chemical
A) it will sink B) it will float C) not enough information
A) hours B) grams C) kilograms D) meters
A) accurate B) nethier accurate or precise C) both accurate and precise D) precise
A) 100 B) 1/100 C) 1,000 D) 1/1,000
A) dependent B) independent C) control D) constant
A) length of study B) growth C) fertilizer D) strawberries
A) dependent B) constant C) independent D) control
A) stirring rod B) graduated cylinder C) tongs D) beaker
A) 10 B) 0 C) 16 D) 13
A) 35 B) 18 C) 19 D) 17
A) 14 B) 10 C) 12 D) 26
A) 2 B) 18 C) 8 D) 10
A) 0.57 amu B) 115 amu C) 57 amu D) 5.7 amu
A) 2 B) 1 C) 3 D) 4
A) Rutherford B) Bohr C) Thomson D) Dalton
A) Chadwick B) Thomson C) Democritus D) Rutherford
A) Thomson B) Shrodinger and Heisenburg C) Rutherford D) Bohr 
A) Thomson B) Rutherford C) Bohr D) Dalton
A) Atoms of the same element are exactly alike. B) All matter is made of atoms. C) Atoms combine to form compounds in simple whole number ratios.
A) Chadwick B) Rutherford C) Dalton D) Bohr
A) Electron number never changes. B) Electrons are positively charged. C) The mass of protons and neutrons are much smaller than the mass of the electron. D) The mass of electrons is much smaller than the mass of protons and neutrons.
A) larger mass B) positive charge C) negative charge D) smaller mass
A) electrons B) positrons C) neutrons D) protons
A) 1.33g/ml B) 72g/ml C) 0.33g/ml D) 3g/ml
A) 10.7g B) 0.094g C) 17.5g D) 24g |
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