A) It is composed of protons only B) It is composed of electrons and neutrons C) It is composed of protons and electrons D) It is composed of protons and neutrons
A) + B) - C) 0
A) have an equal number of electrons and protons. B) have an equal number of neutrons and protons. C) have neutrons in their nuclei. D) have an equal number of charged and noncharged particles.
A) digesting food B) burning wood C) cooking eggs D) breaking a pencil
A) Atomic Mass B) Alphabetical Order C) Discovery Date D) Atomic Number
A) Neutrons B) Protons and Neutrons C) Valence Electrons D) Protons
A) density B) shape C) pH D) color
A) eight protons in its nucleus. B) eight neutrons in its nucleus. C) a total of eight neutrons and electrons. D) a total of eight protons and neutrons.
A) protons plus the number of electrons. B) protons. C) neutrons. D) protons plus the number of neutrons.
A) They are extremely nonreactive. B) They are usually gases. C) They form negative ions with a -1 charge. D) They are located in the left-most column of the periodic table.
A) a basically nonreactive. B) They are highly reactive with both metals and nonmetals. C) They form compounds with very bright colors. D) They are extremely rare in nature.
A) are nonreactive B) exist in all three states of matter in normal conditions C) have only 1 valence electron D) are all metals
A) In the bottom rows. B) On the right side. C) In the middle column of the periodic table. D) On the left-most side.
A) mass;number B) color; smell C) location; ionization D) number; mass
A) 3 neutrons B) 12 neutrons C) 8 neutrons D) 6 neutrons
A) Alkali Metals B) Noble Gases C) Alkaline Earth D) Halogens
A) Akali B) Halogens C) Noble Gases D) Alkaline Earth
A) Alkaline Earth B) Alkali C) Halogens D) Noble Gases
A) Halogens B) Alkali C) Alkaline Earth D) Noble Gases
A) 5 B) 4 C) 3 D) 2
A) metals B) metalloids C) nonmetals
A) Ms. Watson B) Einstein C) Mendleev D) Mosely
A) by date discovered B) According to atomic mass C) according to atomic number D) alphabetically
A) Atomic Mass B) Atomic Mass-Atomic Number C) Atomic Number-Atomic Mass D) Atomic Number
A) Atomic Number-Atomic mass B) Atomic Mass-Atomic Number C) Atomic Mass D) Atomic Number
A) nucleus B) protons C) electrons D) neutrons
A) flammability B) reactivity C) color D) pH
A) breaking B) burning C) crushing D) adding dye
A) only can be seen in a few elements B) can be observed with senses C) vary within the same element D) can only be observed by changing the substance
A) cn only be observed by changing the substance B) vary within the same element C) only can be observed in a few elements 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) meters B) kilograms C) grams D) hours
A) accurate B) nethier accurate or precise C) both accurate and precise D) precise
A) 1,000 B) 1/1,000 C) 1/100 D) 100
A) constant B) dependent C) control D) independent
A) growth B) length of study C) strawberries D) fertilizer
A) control B) dependent C) independent D) constant
A) tongs B) stirring rod C) graduated cylinder D) beaker
A) 13 B) 0 C) 16 D) 10
A) 18 B) 17 C) 35 D) 19
A) 14 B) 12 C) 10 D) 26
A) 18 B) 10 C) 2 D) 8
A) 115 amu B) 5.7 amu C) 57 amu D) 0.57 amu
A) 2 B) 3 C) 1 D) 4
A) Bohr B) Dalton C) Rutherford D) Thomson
A) Chadwick B) Thomson C) Rutherford D) Democritus
A) Rutherford B) Shrodinger and Heisenburg C) Bohr D) Thomson
A) Dalton B) Thomson C) Bohr D) Rutherford
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) Dalton B) Chadwick C) Bohr D) Rutherford
A) The mass of protons and neutrons are much smaller than the mass of the electron. B) Electron number never changes. C) Electrons are positively charged. D) The mass of electrons is much smaller than the mass of protons and neutrons.
A) larger mass B) positive charge C) smaller mass D) negative charge
A) neutrons B) protons C) positrons D) electrons
A) 72g/ml B) 0.33g/ml C) 3g/ml D) 1.33g/ml
A) 0.094g B) 17.5g C) 24g D) 10.7g |