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