A) It is composed of protons only B) It is composed of protons and neutrons C) It is composed of electrons and neutrons D) It is composed of protons and electrons
A) + B) - C) 0
A) have an equal number of charged and noncharged particles. B) have an equal number of electrons and protons. C) have an equal number of neutrons and protons. D) have neutrons in their nuclei.
A) cooking eggs B) digesting food C) burning wood D) breaking a pencil
A) Alphabetical Order B) Atomic Number C) Discovery Date D) Atomic Mass
A) Protons and Neutrons B) Protons C) Valence Electrons D) Neutrons
A) shape B) color C) density D) pH
A) eight protons in its nucleus. B) a total of eight protons and neutrons. C) eight neutrons in its nucleus. D) a total of eight neutrons and electrons.
A) protons plus the number of electrons. B) neutrons. C) protons. D) protons plus the number of neutrons.
A) They are usually gases. B) They form negative ions with a -1 charge. C) They are located in the left-most column of the periodic table. D) They are extremely nonreactive.
A) They are extremely rare in nature. B) a basically nonreactive. C) They form compounds with very bright colors. D) They are highly reactive with both metals and nonmetals.
A) are all metals B) have only 1 valence electron C) are nonreactive D) exist in all three states of matter in normal conditions
A) On the right side. B) In the middle column of the periodic table. C) In the bottom rows. D) On the left-most side.
A) number; mass B) location; ionization C) color; smell D) mass;number
A) 8 neutrons B) 3 neutrons C) 6 neutrons D) 12 neutrons
A) Noble Gases B) Alkaline Metals C) Halogens D) Alkaline Earth
A) Alkaline Earth B) Noble Gases C) Halogens D) Akali
A) Noble Gases B) Alkali C) Alkaline Earth D) Halogens
A) Halogens B) Alkaline Earth C) Noble Gases D) Alkali
A) 4 B) 3 C) 2 D) 5
A) metals B) nonmetals C) metalloids
A) Einstein B) Mosely C) Mendleev D) Ms. Watson
A) alphabetically B) according to atomic number C) by date discovered D) According to atomic mass
A) Atomic Number-Atomic Mass B) Atomic Mass-Atomic Number C) Atomic Number D) Atomic Mass
A) Atomic Number-Atomic mass B) Atomic Mass-Atomic Number C) Atomic Mass D) Atomic Number
A) nucleus B) electrons C) protons D) neutrons
A) color B) flammability C) reactivity D) pH
A) density B) texture C) pH D) shape
A) burning B) breaking C) crushing D) adding dye
A) rusting B) breaking C) burning D) precipitate forming
A) only can be seen in a few elements B) vary within the same element C) can only be observed by changing the substance D) can be observed with senses
A) only can be observed in a few elements B) can be observes with the senses C) vary within the same element D) cn only be observed by changing the substance
A) chemical B) physical
A) chemical B) physical
A) it will sink B) not enough information C) it will float
A) kelvin B) liters C) meters D) second
A) kilograms B) grams C) meters D) hours
A) both accurate and precise B) nethier accurate or precise C) precise D) accurate
A) 1,000 B) 1/100 C) 100 D) 1/1,000
A) constant B) independent C) control D) dependent
A) fertilizer B) length of study C) strawberries D) growth
A) 0.0025m B) 2,500m
A) 16.5g B) 1.65g
A) 9.470x102 B) 9.470x10-2
A) 4.2x103 B) 4.2x10-3
A) 875,000 B) 0.0000875
A) 0.00634 B) 63,400
A) control B) independent C) dependent D) constant
A) tongs B) graduated cylinder C) stirring rod D) beaker
A) 13 B) 0 C) 10 D) 16
A) 18 B) 35 C) 19 D) 17
A) 10 B) 26 C) 12 D) 14
A) 18 B) 2 C) 10 D) 8
A) 0.57 amu B) 5.7 amu C) 115 amu D) 57 amu
A) 3 B) 2 C) 1 D) 4
A) 0.5 mol B) 89.6 mol C) 2 mol D) 67.2 mol
A) 1.72x1023 atoms B) 2.107x1024 atoms C) 5.8x1022 atoms D) 21.07 atoms
A) 12,144ft B) 2,295ft
A) 33.3kg B) 6.75kg
A) Dalton B) Rutherford C) Thomson D) Bohr
A) Chadwick B) Rutherford C) Democritus D) Thomson
A) Thomson B) Bohr C) Rutherford D) Shrodinger and Heisenburg
A) Rutherford B) Thomson C) Dalton D) Bohr
A) Atoms combine to form compounds in simple whole number ratios. B) Atoms of the same element are exactly alike. C) All matter is made of atoms.
A) Bohr B) Chadwick C) Dalton D) Rutherford
A) The mass of protons and neutrons are much smaller than the mass of the electron. B) Electrons are positively charged. C) The mass of electrons is much smaller than the mass of protons and neutrons. D) Electron number never changes.
A) negative charge B) positive charge C) larger mass D) smaller mass
A) electrons B) positrons C) neutrons D) protons
A) 0.33g/ml B) 1.33g/ml C) 3g/ml D) 72g/ml
A) 0.094g B) 10.7g C) 17.5g D) 16g |