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