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