A) It is composed of protons and electrons B) It is composed of electrons and neutrons C) It is composed of protons only D) It is composed of protons and neutrons
A) 0 B) + C) -
A) have neutrons in their nuclei. B) have an equal number of electrons and protons. C) have an equal number of neutrons and protons. D) have an equal number of charged and noncharged particles.
A) burning wood B) breaking a pencil C) cooking eggs D) digesting food
A) Alphabetical Order B) Atomic Number C) Discovery Date D) Atomic Mass
A) Protons B) Neutrons C) Valence Electrons D) Protons and Neutrons
A) density B) color C) pH D) shape
A) eight protons in its nucleus. B) a total of eight neutrons and electrons. C) eight neutrons in its nucleus. D) a total of eight protons and neutrons.
A) neutrons. B) protons. C) protons plus the number of electrons. D) protons plus the number of neutrons.
A) They are located in the left-most column of the periodic table. B) They form negative ions with a -1 charge. C) They are extremely nonreactive. D) They are usually gases.
A) a basically nonreactive. B) They are highly reactive with both metals and nonmetals. C) They are extremely rare in nature. D) They form compounds with very bright colors.
A) are nonreactive B) are all metals C) exist in all three states of matter in normal conditions D) have only 1 valence electron
A) On the left-most side. B) On the right side. C) In the bottom rows. D) In the middle column of the periodic table.
A) location; ionization B) mass;number C) color; smell D) number; mass
A) 3 neutrons B) 6 neutrons C) 8 neutrons D) 12 neutrons
A) Alkaline Earth B) Alkaline Metals C) Halogens D) Noble Gases
A) Akali B) Noble Gases C) Alkaline Earth D) Halogens
A) Alkali B) Alkaline Earth C) Halogens D) Noble Gases
A) Alkali B) Halogens C) Alkaline Earth D) Noble Gases
A) 5 B) 4 C) 2 D) 3
A) metalloids B) metals C) nonmetals
A) Mendleev B) Mosely C) Einstein D) Ms. Watson
A) by date discovered B) according to atomic number C) According to atomic mass D) alphabetically
A) Atomic Number-Atomic Mass B) Atomic Number C) Atomic Mass-Atomic Number D) Atomic Mass
A) Atomic Number-Atomic mass B) Atomic Mass-Atomic Number C) Atomic Mass D) Atomic Number
A) electrons B) neutrons C) protons D) nucleus
A) reactivity B) pH C) color D) flammability
A) density B) shape C) texture D) pH
A) adding dye B) crushing C) burning D) breaking
A) burning B) rusting C) breaking D) precipitate forming
A) can be observed with senses B) vary within the same element C) can only be observed by changing the substance D) only can be seen in a few elements
A) cn only be observed by changing the substance B) only can be observed in a few elements C) vary within the same element D) can be observes with the senses
A) physical B) chemical
A) chemical B) physical
A) not enough information B) it will float C) it will sink
A) meters B) kelvin C) second D) liters
A) kilograms B) grams C) hours D) meters
A) both accurate and precise B) precise C) nethier accurate or precise D) accurate
A) 1/1,000 B) 1/100 C) 100 D) 1,000
A) constant B) dependent C) independent D) control
A) length of study B) growth C) strawberries D) fertilizer
A) 0.0025m B) 2,500m
A) 16.5g B) 1.65g
A) 9.470x102 B) 9.470x10-2
A) 4.2x10-3 B) 4.2x103
A) 875,000 B) 0.0000875
A) 63,400 B) 0.00634
A) dependent B) independent C) control D) constant
A) beaker B) stirring rod C) tongs D) graduated cylinder
A) 13 B) 16 C) 10 D) 0
A) 17 B) 35 C) 18 D) 19
A) 14 B) 26 C) 10 D) 12
A) 18 B) 10 C) 2 D) 8
A) 5.7 amu B) 57 amu C) 0.57 amu D) 115 amu
A) 3 B) 1 C) 4 D) 2
A) 0.5 mol B) 2 mol C) 89.6 mol D) 67.2 mol
A) 1.72x1023 atoms B) 5.8x1022 atoms C) 21.07 atoms D) 2.107x1024 atoms
A) 12,144ft B) 2,295ft
A) 6.75kg B) 33.3kg
A) Thomson B) Dalton C) Bohr D) Rutherford
A) Democritus B) Chadwick C) Thomson D) Rutherford
A) Shrodinger and Heisenburg B) Thomson C) Bohr D) Rutherford
A) Thomson B) Rutherford C) Bohr D) Dalton
A) Atoms combine to form compounds in simple whole number ratios. B) All matter is made of atoms. C) Atoms of the same element are exactly alike.
A) Bohr B) Chadwick C) Rutherford D) Dalton
A) Electrons are positively charged. B) The mass of protons and neutrons are much smaller than the mass of the electron. 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) positrons B) neutrons C) electrons D) protons
A) 0.33g/ml B) 3g/ml C) 1.33g/ml D) 72g/ml
A) 16g B) 0.094g C) 10.7g D) 17.5g |